{"segment":[{"time":24,"part":[{"title":"H\u00e3y ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang thay v\u00e0o d\u1ea5u <span class='basic_hoi_black'>?<\/span>","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/3.jpg' \/><\/center> <br\/> N\u1ebfu a $\\vdots$ 15 v\u00e0 b $\\vdots$ 15 th\u00ec 15 l\u00e0 <span class='basic_hoi_black'>?<\/span> c\u1ee7a a v\u00e0 b?","select":["A. \u01af\u1edbc chung ","B. B\u1ed9i chung "],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> V\u00ec a $\\vdots$ 15 $\\Rightarrow$ 15 l\u00e0 \u01b0\u1edbc c\u1ee7a a <br\/> V\u00e0 b $\\vdots$ 15 $\\Rightarrow$ 15 l\u00e0 \u01b0\u1edbc c\u1ee7a b <br\/> $\\Rightarrow$ 15 l\u00e0 \u01b0\u1edbc chung c\u1ee7a a v\u00e0 b <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: \u01af\u1edbc chung<\/span> ","column":2}]}],"id_ques":681},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/3.jpg' \/><\/center> <br\/> 9 l\u00e0 \u01b0\u1edbc chung c\u1ee7a 720 v\u00e0 432. <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG ","B. SAI "],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/> X\u00e9t th\u01b0\u01a1ng 720 : 9 v\u00e0 432 : 9 <br\/> N\u1ebfu 720 $\\vdots$ 9 v\u00e0 432 $\\vdots$ 9 th\u00ec 9 l\u00e0 \u01b0\u1edbc chung c\u1ee7a 720 v\u00e0 432 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: 720 : 9 = 80 v\u00e0 432 : 9 = 48 <br\/> $\\Rightarrow$ 720 $\\vdots$ 9 v\u00e0 432 $\\vdots$ 9 $\\Rightarrow$ 9 l\u00e0 \u01b0\u1edbc chung c\u1ee7a 720 v\u00e0 432 <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh ''9 l\u00e0 \u01b0\u1edbc chung c\u1ee7a 720 v\u00e0 432'' l\u00e0 <b> \u0110\u00daNG <\/b> ","column":2}]}],"id_ques":682},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/11.jpg' \/><\/center> <br\/> T\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 20 v\u00e0 24 l\u00e0:","select":["A. $\\left\\{ 1; 2; 4 \\right\\}$ ","B. $\\left\\{ 1; 2; 3; 8 \\right\\}$ ","C. $\\left\\{ 2; 4; 6; 10 \\right\\}$","D. $\\left\\{ 1; 2; 3; 4 \\right\\}$"],"hint":"Ta \u0111i t\u00ecm t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 m\u00e0 20 v\u00e0 24 \u0111\u1ec1u chia h\u1ebft cho t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 trong t\u1eadp h\u1ee3p \u0111\u00f3","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t t\u1eebng t\u1eadp h\u1ee3p <br\/> N\u1ebfu 20 v\u00e0 24 chia h\u1ebft cho m\u1ecdi s\u1ed1 trong t\u1eadp h\u1ee3p \u0111\u00f3 th\u00ec \u0111\u00f3 l\u00e0 t\u1eadp c\u00e1c \u01b0\u1edbc chung c\u1ee7a 20 v\u00e0 24 <br\/> N\u1ebfu 20 ho\u1eb7c 24 kh\u00f4ng chia h\u1ebft cho 1 s\u1ed1 trong t\u1eadp h\u1ee3p th\u00ec \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 20 v\u00e0 24 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> A - X\u00e9t t\u1eadp h\u1ee3p {1; 2; 4} ta c\u00f3: <br\/> V\u00ec 20 $\\vdots$ 1; 20 $\\vdots$ 2 v\u00e0 20 $\\vdots$ 4; 24 $\\vdots$ 1; 24 $\\vdots$ 2; 24 $\\vdots$ 4 <br\/> $\\Rightarrow$ <b> {1; 2; 4} l\u00e0 t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 20 v\u00e0 24 <\/b> <br\/> B - X\u00e9t t\u1eadp h\u1ee3p {1; 2; 3; 8} ta c\u00f3: <br\/> V\u00ec 20 $\\not \\vdots$ 3 v\u00e0 20 $\\not \\vdots$ 8 $\\Rightarrow$ {1; 2; 3; 8} kh\u00f4ng ph\u1ea3i t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 20 v\u00e0 24 <br\/> C - X\u00e9t t\u1eadp h\u1ee3p {2; 4; 6; 10} ta c\u00f3: <br\/> V\u00ec 20 $\\not \\vdots$ 6 $\\Rightarrow$ {2; 4; 6; 10} kh\u00f4ng ph\u1ea3i t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 20 v\u00e0 24 <br\/> D - X\u00e9t t\u1eadp h\u1ee3p {1; 2; 3; 4} ta c\u00f3: <br\/> V\u00ec 20 $\\not \\vdots$ 3 $\\Rightarrow$ {1; 2; 3; 4} kh\u00f4ng ph\u1ea3i t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 20 v\u00e0 24 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":683},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/11.jpg' \/><\/center> <br\/> T\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 15 v\u00e0 60 l\u00e0:","select":["A. $\\left\\{ 1; 3; 4; 5 \\right\\}$ ","B. $\\left\\{ 1; 3; 5; 12 \\right\\}$ ","C. $\\left\\{ 1; 3; 5; 15 \\right\\}$","D. $\\left\\{ 2; 3; 4; 5 \\right\\}$"],"hint":"Ta \u0111i t\u00ecm t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 m\u00e0 15 v\u00e0 60 \u0111\u1ec1u chia h\u1ebft cho t\u1ea5t c\u1ea3 c\u00e1c s\u1ed1 trong t\u1eadp h\u1ee3p \u0111\u00f3","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t t\u1eebng t\u1eadp h\u1ee3p <br\/> N\u1ebfu 15 v\u00e0 60 chia h\u1ebft cho m\u1ecdi s\u1ed1 trong t\u1eadp h\u1ee3p \u0111\u00f3 th\u00ec \u0111\u00f3 l\u00e0 t\u1eadp c\u00e1c \u01b0\u1edbc chung c\u1ee7a 15 v\u00e0 60 <br\/> N\u1ebfu 15 ho\u1eb7c 60 kh\u00f4ng chia h\u1ebft cho 1 s\u1ed1 trong t\u1eadp h\u1ee3p th\u00ec \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 15 v\u00e0 60 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> A - X\u00e9t t\u1eadp h\u1ee3p {1; 3; 4; 5} ta c\u00f3: <br\/> V\u00ec 15 $\\not \\vdots$ 4 $\\Rightarrow$ {1; 3; 4; 5} kh\u00f4ng ph\u1ea3i l\u00e0 t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 15 v\u00e0 60 <br\/> B - X\u00e9t t\u1eadp h\u1ee3p {1; 3; 5; 12} ta c\u00f3: <br\/> V\u00ec 15 $\\not \\vdots$ 12 $\\Rightarrow$ {1; 3; 5; 12} kh\u00f4ng ph\u1ea3i t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 15 v\u00e0 60 <br\/> C - X\u00e9t t\u1eadp h\u1ee3p {1; 3; 5; 15} ta c\u00f3: <br\/> V\u00ec 15 $\\vdots$ 15; 15 $\\vdots$ 3; 15 $\\vdots$ 5; 15 $\\vdots$ 15 <br\/> 60 $\\vdots$ 1; 60 $\\vdots$ 3; 60 $\\vdots$ 5; 60 $\\vdots$ 15 <br\/> $\\Rightarrow$ <b> {1; 3; 5; 15} l\u00e0 t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 15 v\u00e0 60 <\/b> <br\/> D - X\u00e9t t\u1eadp h\u1ee3p {2; 3; 4; 5} ta c\u00f3: <br\/> V\u00ec 15 $\\not \\vdots$ 4 $\\Rightarrow$ {2; 3; 4; 5} kh\u00f4ng ph\u1ea3i t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 15 v\u00e0 60 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C <\/span> ","column":2}]}],"id_ques":684},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/10.jpg' \/><\/center> <br\/> 716 l\u00e0 b\u1ed9i chung c\u1ee7a c\u1eb7p s\u1ed1 n\u00e0o sau \u0111\u00e2y:","select":["A. 179 v\u00e0 8 ","B. 413 v\u00e0 8 ","C. 16 v\u00e0 719","D. 179 v\u00e0 716"],"hint":"T\u00ecm c\u1eb7p s\u1ed1 m\u00e0 716 chia h\u1ebft cho c\u1ea3 hai s\u1ed1 \u0111\u00f3","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t t\u1eebng \u0111\u00e1p \u00e1n <br\/> N\u1ebfu 716 chia h\u1ebft cho c\u1ea3 hai s\u1ed1 trong \u0111\u00e1p \u00e1n \u0111\u00f3 th\u00ec 716 l\u00e0 b\u1ed9i chung c\u1ee7a c\u1eb7p s\u1ed1 \u0111\u00f3 <br\/> N\u1ebfu 716 kh\u00f4ng chia h\u1ebft cho 1 trong hai s\u1ed1 ho\u1eb7c kh\u00f4ng chia h\u1ebft cho c\u1ea3 2 s\u1ed1 trong \u0111\u00e1p \u00e1n \u0111\u00f3 th\u00ec 716 kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ed9i chung c\u1ee7a c\u1eb7p s\u1ed1 \u0111\u00f3 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> A - V\u00ec 716 $\\vdots$ 179 nh\u01b0ng 716 $\\not \\vdots$ 8 <br\/> $\\Rightarrow$ 716 kh\u00f4ng ph\u1ea3i b\u1ed9i chung c\u1ee7a 179 v\u00e0 8 <br\/> B - V\u00ec 716 $\\not \\vdots$ 413 v\u00e0 716 $\\not \\vdots$ 8 <br\/> $\\Rightarrow$ 716 kh\u00f4ng ph\u1ea3i b\u1ed9i chung c\u1ee7a 413 v\u00e0 8 <br\/> C - V\u00ec 716 $\\not \\vdots$ 9 v\u00e0 716 $\\not \\vdots$ 719 <br\/> $\\Rightarrow$ 716 kh\u00f4ng ph\u1ea3i b\u1ed9i chung c\u1ee7a 16 v\u00e0 719 <br\/> D - V\u00ec 716 $\\vdots$ 179 v\u00e0 716 $\\vdots$ 716 <br\/> $\\Rightarrow$ <b> 716 l\u00e0 b\u1ed9i chung c\u1ee7a 179 v\u00e0 716 <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D <\/span> ","column":2}]}],"id_ques":685},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/10.jpg' \/><\/center> <br\/> 15300 l\u00e0 b\u1ed9i chung c\u1ee7a c\u1eb7p s\u1ed1 n\u00e0o sau \u0111\u00e2y:","select":["A. 12 v\u00e0 153 ","B. 180 v\u00e0 420 ","C. 864 v\u00e0 26","D. 72 v\u00e0 416"],"hint":"T\u00ecm c\u1eb7p s\u1ed1 m\u00e0 15300 chia h\u1ebft cho c\u1ea3 hai s\u1ed1 \u0111\u00f3","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> X\u00e9t t\u1eebng \u0111\u00e1p \u00e1n <br\/> N\u1ebfu 15300 chia h\u1ebft cho c\u1ea3 hai s\u1ed1 trong \u0111\u00e1p \u00e1n \u0111\u00f3 th\u00ec 15300 l\u00e0 b\u1ed9i chung c\u1ee7a c\u1eb7p s\u1ed1 \u0111\u00f3 <br\/> N\u1ebfu 15300 kh\u00f4ng chia h\u1ebft cho 1 trong hai s\u1ed1 ho\u1eb7c kh\u00f4ng chia h\u1ebft cho c\u1ea3 2 s\u1ed1 trong \u0111\u00e1p \u00e1n \u0111\u00f3 th\u00ec 15300 kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ed9i chung c\u1ee7a c\u1eb7p s\u1ed1 \u0111\u00f3 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> A - V\u00ec 15300 $\\vdots$ 12 v\u00e0 15300 $ \\vdots$ 153 <br\/> $\\Rightarrow$ <b> 15300 l\u00e0 b\u1ed9i chung c\u1ee7a 12 v\u00e0 153 <\/b> <br\/> B - V\u00ec 15300 $\\vdots$ 180 nh\u01b0ng 15300 $\\not \\vdots$ 420 <br\/> $\\Rightarrow$ 15300 kh\u00f4ng ph\u1ea3i b\u1ed9i chung c\u1ee7a 180 v\u00e0 420 <br\/> C - V\u00ec 15300 $\\not \\vdots$ 864 v\u00e0 15300 $\\not \\vdots$ 26 <br\/> $\\Rightarrow$ 15300 kh\u00f4ng ph\u1ea3i b\u1ed9i chung c\u1ee7a 864 v\u00e0 26 <br\/> D - V\u00ec 15300 $\\not \\vdots$ 72 v\u00e0 15300 $\\not \\vdots$ 416 <br\/> $\\Rightarrow$ 15300 kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ed9i chung c\u1ee7a 72 v\u00e0 416 <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":686},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["16"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/3.jpg' \/><\/center> <br\/>T\u1ed5 m\u1ed9t c\u00f3 5 h\u1ecdc sinh bi\u1ebft c\u1ea3 hai th\u1ee9 ti\u1ebfng Anh v\u00e0 Ph\u00e1p, 11 h\u1ecdc sinh ch\u1ec9 bi\u1ebft ti\u1ebfng Anh, 7 h\u1ecdc sinh ch\u1ec9 bi\u1ebft ti\u1ebfng Ph\u00e1p. <br\/> G\u1ecdi A l\u00e0 t\u1eadp h\u1ee3p c\u00e1c h\u1ecdc sinh bi\u1ebft ti\u1ebfng Anh <br\/> V\u1eady t\u1eadp h\u1ee3p A g\u1ed3m _input_ ph\u1ea7n t\u1eed ","hint":"Ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p v\u1ebd s\u01a1 \u0111\u1ed3 ven","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> M\u1ed9t v\u00f2ng tr\u00f2n th\u1ec3 hi\u1ec7n nh\u1eefng h\u1ecdc sinh bi\u1ebft ti\u1ebfng Anh <br\/> M\u1ed9t v\u00f2ng tr\u00f2n th\u1ec3 hi\u1ec7n nh\u1eefng h\u1ecdc sinh bi\u1ebft ti\u1ebfng Ph\u00e1p <br\/> Ph\u1ea7n giao nhau c\u1ee7a hai v\u00f2ng tr\u00f2n ch\u00ednh l\u00e0 s\u1ed1 h\u1ecdc sinh bi\u1ebft c\u1ea3 hai th\u1ee9 ti\u1ebfng Anh v\u00e0 Ph\u00e1p <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> V\u00ec c\u00f3 11 h\u1ecdc sinh ch\u1ec9 bi\u1ebft ti\u1ebfng anh v\u00e0 5 h\u1ecdc sinh bi\u1ebft c\u1ea3 ti\u1ebfng Anh v\u00e0 ti\u1ebfng Ph\u00e1p, 7 h\u1ecdc sinh ch\u1ec9 bi\u1ebft ti\u1ebfng Ph\u00e1p n\u00ean ta c\u00f3 s\u01a1 \u0111\u1ed3: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/D6114_TB101.png' \/><\/center> <br\/> D\u1ef1a v\u00e0o s\u01a1 \u0111\u1ed3 ta c\u00f3 s\u1ed1 h\u1ecdc sinh bi\u1ebft ti\u1ebfng Anh l\u00e0:<br\/> 11 + 5 = 16 (h\u1ecdc sinh) <br\/> <span class='basic_pink'> V\u1eady t\u1eadp h\u1ee3p A c\u00f3 16 ph\u1ea7n t\u1eed <\/span> "}]}],"id_ques":687},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["12"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/3.jpg' \/><\/center> <br\/>T\u1ed5 m\u1ed9t c\u00f3 5 h\u1ecdc sinh bi\u1ebft c\u1ea3 hai th\u1ee9 ti\u1ebfng Anh v\u00e0 Ph\u00e1p, 11 h\u1ecdc sinh ch\u1ec9 bi\u1ebft ti\u1ebfng Anh, 7 h\u1ecdc sinh ch\u1ec9 bi\u1ebft ti\u1ebfng Ph\u00e1p. <br\/> G\u1ecdi A l\u00e0 t\u1eadp h\u1ee3p c\u00e1c h\u1ecdc sinh bi\u1ebft ti\u1ebfng Anh <br\/> P l\u00e0 t\u1eadp h\u1ee3p c\u00e1c h\u1ecdc sinh bi\u1ebft ti\u1ebfng Ph\u00e1p <br\/> V\u1eady t\u1eadp h\u1ee3p P c\u00f3 _input_ ph\u1ea7n t\u1eed ","hint":"Ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p v\u1ebd s\u01a1 \u0111\u1ed3 ven","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> M\u1ed9t v\u00f2ng tr\u00f2n th\u1ec3 hi\u1ec7n nh\u1eefng h\u1ecdc sinh bi\u1ebft ti\u1ebfng Anh <br\/> M\u1ed9t v\u00f2ng tr\u00f2n th\u1ec3 hi\u1ec7n nh\u1eefng h\u1ecdc sinh bi\u1ebft ti\u1ebfng Ph\u00e1p <br\/> Ph\u1ea7n giao nhau c\u1ee7a hai v\u00f2ng tr\u00f2n ch\u00ednh l\u00e0 s\u1ed1 h\u1ecdc sinh bi\u1ebft c\u1ea3 hai th\u1ee9 ti\u1ebfng Anh v\u00e0 Ph\u00e1p <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> V\u00ec c\u00f3 11 h\u1ecdc sinh ch\u1ec9 bi\u1ebft ti\u1ebfng anh v\u00e0 5 h\u1ecdc sinh bi\u1ebft c\u1ea3 ti\u1ebfng Anh v\u00e0 ti\u1ebfng Ph\u00e1p, 7 h\u1ecdc sinh ch\u1ec9 bi\u1ebft ti\u1ebfng Ph\u00e1p n\u00ean ta c\u00f3 s\u01a1 \u0111\u1ed3: <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/D6114_TB101.png' \/><\/center> <br\/> D\u1ef1a v\u00e0o s\u01a1 \u0111\u1ed3 ta c\u00f3 s\u1ed1 h\u1ecdc sinh bi\u1ebft ti\u1ebfng Ph\u00e1p l\u00e0:<br\/> 7 + 5 = 12 (h\u1ecdc sinh) <br\/> <span class='basic_pink'> V\u1eady t\u1eadp h\u1ee3p P c\u00f3 12 ph\u1ea7n t\u1eed <\/span> "}]}],"id_ques":688},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["80"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/2.jpg' \/><\/center> <br\/> T\u00ecm s\u1ed1 t\u1ef1 nhi\u00ean a bi\u1ebft r\u1eb1ng khi chia 264 cho a th\u00ec d\u01b0 24, c\u00f2n khi chia 363 cho a th\u00ec d\u01b0 43. <br\/> V\u1eady a = _input_ ","hint":"T\u00ecm s\u1ed1 a sao cho (264 - 24) $\\vdots$ a v\u00e0 (363 - 43) $\\vdots$ a ","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> <br\/> Ta c\u00f3: (264 - 24) $\\vdots$ a v\u00e0 (363 - 43) $\\vdots$ a <br\/> Hay a ch\u00ednh l\u00e0 \u01b0\u1edbc chung c\u1ee7a (264 - 24) v\u00e0 (363 - 43) <br\/> <b> B\u01b0\u1edbc 2: <br\/> <\/b> T\u00ecm \u01b0\u1edbc chung c\u1ee7a (264 - 24) v\u00e0 (363 - 43) <br\/> D\u1ef1a v\u00e0o s\u1ed1 d\u01b0 \u0111\u1ec3 t\u00ecm \u0111i\u1ec1u ki\u1ec7n c\u1ee7a a sau \u0111\u00f3 t\u00ecm c\u00e1c \u01b0\u1edbc chung theo \u0111i\u1ec1u ki\u1ec7n c\u1ee7a a<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> V\u00ec 264 chia a d\u01b0 24 n\u00ean (264 - 24) $\\vdots$ a (a > 24) $\\Rightarrow$ a l\u00e0 \u01b0\u1edbc c\u1ee7a 264 - 24 = 240 (1) <br\/> V\u00ec 363 chia a d\u01b0 43 n\u00ean (363 - 43) $\\vdots$ a (a > 43) $\\Rightarrow$ a l\u00e0 \u01b0\u1edbc c\u1ee7a 363 - 43 = 320 (2) <br\/> T\u1eeb (1) v\u00e0 (2) $\\Rightarrow$ a l\u00e0 \u01b0\u1edbc chung c\u1ee7a 240 v\u00e0 320 (a > 43) <br\/> 240 c\u00f3 c\u00e1c \u01b0\u1edbc l\u1edbn h\u01a1n 43 l\u00e0: 120; 240; 80; 60 <br\/> 320 c\u00f3 c\u00e1c \u01b0\u1edbc l\u1edbn h\u01a1n 43 l\u00e0: 320; 160; 80; 64 <br\/> $\\Rightarrow$ \u01afC(240; 320) l\u1edbn h\u01a1n 43 l\u00e0 80 <br\/> <span class='basic_pink'> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 80 <\/span> "}]}],"id_ques":689},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["7"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/2.jpg' \/><\/center> <br\/> T\u00ecm s\u1ed1 t\u1ef1 nhi\u00ean a bi\u1ebft r\u1eb1ng khi chia 39 cho a th\u00ec d\u01b0 4, c\u00f2n khi chia 48 cho a th\u00ec d\u01b0 6. <br\/> V\u1eady a = _input_ ","hint":"T\u00ecm s\u1ed1 a sao cho (39 - 4) $\\vdots$ a v\u00e0 (48 - 6) $\\vdots$ a ","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> <br\/> Ta c\u00f3: (39 - 4) $\\vdots$ a v\u00e0 (48 - 6) $\\vdots$ a <br\/> Hay a ch\u00ednh l\u00e0 \u01b0\u1edbc chung c\u1ee7a (39 - 4) v\u00e0 (48 - 6) <br\/> <b> B\u01b0\u1edbc 2: <br\/> <\/b> T\u00ecm \u01b0\u1edbc chung c\u1ee7a (39 - 4) v\u00e0 (48 - 6) <br\/> D\u1ef1a v\u00e0o s\u1ed1 d\u01b0 \u0111\u1ec3 t\u00ecm \u0111i\u1ec1u ki\u1ec7n c\u1ee7a a sau \u0111\u00f3 t\u00ecm c\u00e1c \u01b0\u1edbc chung theo \u0111i\u1ec1u ki\u1ec7n c\u1ee7a a<\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> V\u00ec 39 chia a d\u01b0 4 n\u00ean (39 - 4) $\\vdots$ a (a > 4) $\\Rightarrow$ a l\u00e0 \u01b0\u1edbc c\u1ee7a 39 - 4 = 35 (1) <br\/> V\u00ec 48 chia a d\u01b0 6 n\u00ean (48 - 6) $\\vdots$ a (a > 6) $\\Rightarrow$ a l\u00e0 \u01b0\u1edbc c\u1ee7a 48 - 6 = 42 (2) <br\/> T\u1eeb (1) v\u00e0 (2) $\\Rightarrow$ a l\u00e0 \u01b0\u1edbc chung c\u1ee7a 35 v\u00e0 42 (a > 6) <br\/> 35 c\u00f3 c\u00e1c \u01b0\u1edbc l\u1edbn h\u01a1n 6 l\u00e0: 7; 35 <br\/> 42 c\u00f3 c\u00e1c \u01b0\u1edbc l\u1edbn h\u01a1n 6 l\u00e0: 7; 14; 21; 42 <br\/> $\\Rightarrow$ \u01afC(35;42) l\u1edbn h\u01a1n 6 l\u00e0 7 <br\/> <span class='basic_pink'> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 7 <\/span> "}]}],"id_ques":690},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/4.jpg' \/><\/center> <br\/> G\u1ecdi G l\u00e0 t\u1eadp h\u1ee3p c\u00e1c b\u1ed9i c\u1ee7a 3, H l\u00e0 t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 18. <br\/> V\u1eady ta c\u00f3:","select":["A. $G \\cap H = \\left\\{ 3; 6; 9; 12; 18 \\right\\}$ ","B. $G \\cap H = \\left\\{3; 6; 9; 18 \\right\\}$ ","C. $G \\cap H = \\left\\{ 2; 3; 6; 9; 18 \\right\\}$","D. $G \\cap H = \\left\\{ 0; 2; 3; 6; 9; 18 \\right\\}$"],"hint":"Ta t\u00ecm t\u1eadp h\u1ee3p c\u00e1c b\u1ed9i c\u1ee7a 3 sau \u0111\u00f3 t\u00ecm t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 18 r\u1ed3i t\u00ecm giao c\u1ee7a hai t\u1eadp h\u1ee3p \u0111\u00f3","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> <br\/> T\u00ecm t\u1eadp h\u1ee3p c\u00e1c b\u1ed9i c\u1ee7a 3 b\u1eb1ng c\u00e1ch l\u1ea5y 3 nh\u00e2n l\u1ea7n l\u01b0\u1ee3t v\u1edbi c\u00e1c s\u1ed1 0, 1, 2, 3.... <br\/> T\u00ecm t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 18 b\u1eb1ng c\u00e1ch l\u1ea5y 18 chia l\u1ea7n l\u01b0\u1ee3t cho c\u00e1c s\u1ed1 1, 2, 3,... xem 18 chia h\u1ebft cho s\u1ed1 n\u00e0o th\u00ec s\u1ed1 \u0111\u00f3 ch\u00ednh l\u00e0 \u01b0\u1edbc c\u1ee7a 18 <br\/> <b> B\u01b0\u1edbc 2: <\/b> T\u00ecm giao c\u1ee7a 2 t\u1eadp h\u1ee3p hay ch\u00ednh l\u00e0 t\u00ecm c\u00e1c ph\u1ea7n t\u1eed gi\u1ed1ng nhau c\u1ee7a 2 t\u1eadp h\u1ee3p <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> T\u1eadp h\u1ee3p G g\u1ed3m c\u00e1c b\u1ed9i c\u1ee7a 3 l\u00e0: G = {0; 3; 6; 9; 12; 15; 18;...} <br\/> (Ta ch\u1ec9 c\u1ea7n t\u00ecm c\u00e1c b\u1ed9i nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 18 v\u00ec 18 ch\u1ec9 c\u00f3 \u01b0\u1edbc l\u1edbn nh\u1ea5t l\u00e0 18) <br\/> T\u1eadp h\u1ee3p H g\u1ed3m c\u00e1c \u01b0\u1edbc c\u1ee7a 18 l\u00e0: H = {1; 2; 3; 6; 9; 18} <br\/> $\\Rightarrow$ $G \\cap H$ = {3; 6; 9; 18} <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":691},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/4.jpg' \/><\/center> <br\/> G\u1ecdi M l\u00e0 t\u1eadp h\u1ee3p c\u00e1c b\u1ed9i c\u1ee7a 4, N l\u00e0 t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 20. <br\/> V\u1eady ta c\u00f3:","select":["A. $M \\cap N = \\left\\{ 4; 5; 10; 20 \\right\\}$ ","B. $M \\cap N = \\left\\{0; 2; 4; 8; 16; 20 \\right\\}$ ","C. $M \\cap N = \\left\\{ 4; 8; 16; 20 \\right\\}$","D. $M \\cap N = \\left\\{ 4; 20 \\right\\}$"],"hint":"Ta t\u00ecm t\u1eadp h\u1ee3p c\u00e1c b\u1ed9i c\u1ee7a 4 sau \u0111\u00f3 t\u00ecm t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 20 r\u1ed3i t\u00ecm giao c\u1ee7a hai t\u1eadp h\u1ee3p \u0111\u00f3","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> <br\/> T\u00ecm t\u1eadp h\u1ee3p c\u00e1c b\u1ed9i c\u1ee7a 4 b\u1eb1ng c\u00e1ch l\u1ea5y 4 nh\u00e2n l\u1ea7n l\u01b0\u1ee3t v\u1edbi c\u00e1c s\u1ed1 0, 1, 2, 3.... <br\/> T\u00ecm t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 20 b\u1eb1ng c\u00e1ch l\u1ea5y 20 chia l\u1ea7n l\u01b0\u1ee3t cho c\u00e1c s\u1ed1 1, 2, 3,... xem 20 chia h\u1ebft cho s\u1ed1 n\u00e0o th\u00ec s\u1ed1 \u0111\u00f3 ch\u00ednh l\u00e0 \u01b0\u1edbc c\u1ee7a 20 <br\/> <b> B\u01b0\u1edbc 2: <\/b> T\u00ecm giao c\u1ee7a 2 t\u1eadp h\u1ee3p hay ch\u00ednh l\u00e0 t\u00ecm c\u00e1c ph\u1ea7n t\u1eed gi\u1ed1ng nhau c\u1ee7a 2 t\u1eadp h\u1ee3p <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> T\u1eadp h\u1ee3p M g\u1ed3m c\u00e1c b\u1ed9i c\u1ee7a 4 l\u00e0: M = {0; 4; 8; 12; 16; 20,...} <br\/> (ta ch\u1ec9 c\u1ea7n t\u00ecm c\u00e1c b\u1ed9i nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 20 v\u00ec 20 ch\u1ec9 c\u00f3 \u01b0\u1edbc l\u1edbn nh\u1ea5t l\u00e0 20) <br\/> T\u1eadp h\u1ee3p N g\u1ed3m c\u00e1c \u01b0\u1edbc c\u1ee7a 20 l\u00e0: N = {1; 2; 4; 5; 10; 20} <br\/> $\\Rightarrow$ $M \\cap N$ = {4; 20} <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D <\/span> ","column":2}]}],"id_ques":692},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/4.jpg' \/><\/center> <br\/> G\u1ecdi L l\u00e0 t\u1eadp h\u1ee3p c\u00e1c b\u1ed9i c\u1ee7a 7, K l\u00e0 t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 15. <br\/>V\u1eady ta c\u00f3:","select":["A. $L \\cap K = \\varnothing$ ","B. $L \\cap K = \\left\\{ 7; 15 \\right\\}$ ","C. $L \\cap K = \\left\\{ 1; 3; 5; 7; 15 \\right\\}$","D. $L \\cap K = \\left\\{ 0; 7; 15 \\right\\}$"],"hint":"Ta t\u00ecm t\u1eadp h\u1ee3p c\u00e1c b\u1ed9i c\u1ee7a 7 sau \u0111\u00f3 t\u00ecm t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 15 r\u1ed3i t\u00ecm giao c\u1ee7a hai t\u1eadp h\u1ee3p \u0111\u00f3","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> <br\/> T\u00ecm t\u1eadp h\u1ee3p c\u00e1c b\u1ed9i c\u1ee7a 7 b\u1eb1ng c\u00e1ch l\u1ea5y 7 nh\u00e2n l\u1ea7n l\u01b0\u1ee3t v\u1edbi c\u00e1c s\u1ed1 0, 1, 2, 3.... <br\/> T\u00ecm t\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 15 b\u1eb1ng c\u00e1ch l\u1ea5y 15 chia l\u1ea7n l\u01b0\u1ee3t cho c\u00e1c s\u1ed1 1, 2, 3,... xem 15 chia h\u1ebft cho s\u1ed1 n\u00e0o th\u00ec s\u1ed1 \u0111\u00f3 ch\u00ednh l\u00e0 \u01b0\u1edbc c\u1ee7a 15 <br\/> <b> B\u01b0\u1edbc 2: <\/b> T\u00ecm giao c\u1ee7a 2 t\u1eadp h\u1ee3p hay ch\u00ednh l\u00e0 t\u00ecm c\u00e1c ph\u1ea7n t\u1eed gi\u1ed1ng nhau c\u1ee7a 2 t\u1eadp h\u1ee3p <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> T\u1eadp h\u1ee3p L g\u1ed3m c\u00e1c b\u1ed9i c\u1ee7a 7 l\u00e0: L = {0; 7; 14; ...} <br\/> (ta ch\u1ec9 c\u1ea7n t\u00ecm c\u00e1c b\u1ed9i nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 15 v\u00ec 15 ch\u1ec9 c\u00f3 \u01b0\u1edbc l\u1edbn nh\u1ea5t l\u00e0 15) <br\/> T\u1eadp h\u1ee3p K g\u1ed3m c\u00e1c \u01b0\u1edbc c\u1ee7a 15 l\u00e0: K = {1; 3; 5; 15} <br\/> $\\Rightarrow$ $L \\cap K = \\varnothing$ <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":693},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["6"],["2"],["2"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/9.jpg' \/><\/center> <br\/>C\u00e1c s\u1ed1 sau c\u00f3 bao nhi\u00eau \u01b0\u1edbc s\u1ed1? <br\/> <table><tr><th>a<\/th><th>b<\/th><th>S\u1ed1 \u01b0\u1edbc s\u1ed1 c\u1ee7a a<\/th><th>S\u1ed1 \u01b0\u1edbc s\u1ed1 c\u1ee7a b<\/th><th>S\u1ed1 \u01b0\u1edbc s\u1ed1 chung c\u1ee7a a v\u00e0 b<\/th><\/tr><tr><td>18<\/td><td>3<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><\/tr><\/table> ","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> <br\/> Ph\u00e2n t\u00edch s\u1ed1 18 ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 <br\/> <b> B\u01b0\u1edbc 2: <br\/> <\/b> N\u1ebfu 18 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 d\u01b0\u1edbi d\u1ea1ng $a^m.b^n$ th\u00ec s\u1ed1 \u01b0\u1edbc l\u00e0: (m + 1) . (n + 1) <br\/> <b> B\u01b0\u1edbc 3: <\/b> <br\/> T\u00ecm s\u1ed1 \u01b0\u1edbc chung c\u1ee7a 3 v\u00e0 18 b\u1eb1ng c\u00e1ch t\u00ecm \u01b0\u1edbc c\u1ee7a 3 v\u00e0 18 r\u1ed3i t\u00ecm \u01b0\u1edbc chung <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: 18 = $2 . 3^2$ <br\/> V\u1eady 18 c\u00f3 s\u1ed1 \u01b0\u1edbc l\u00e0: (1 + 1) . (2 + 1) = 6 (\u01b0\u1edbc) <br\/> 3 c\u00f3 2 \u01b0\u1edbc (l\u00e0 1 v\u00e0 3) <br\/> 18 c\u00f3 c\u00e1c \u01b0\u1edbc l\u00e0: 1; 2; 3; 6; 9; 18 <br\/> $\\Rightarrow$ 3 v\u00e0 18 c\u00f3 2 \u01b0\u1edbc chung l\u00e0: 1 v\u00e0 3 <br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0: 6; 2; 2 <\/span> <br\/> <span class='basic_left'><span class='basic_green'> <i> L\u01b0u \u00fd: C\u00e1ch x\u00e1c \u0111\u1ecbnh s\u1ed1 \u01b0\u1edbc c\u1ee7a s\u1ed1 m (m> 1) ta x\u00e9t d\u1ea1ng ph\u00e2n t\u00edch ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1: <br\/> +) N\u1ebfu m = $a^x$ th\u00ec m c\u00f3 x + 1 \u01b0\u1edbc <br\/> +) N\u1ebfu $m = a^x . b^y$ th\u00ec m c\u00f3 (x + 1)(y + 1) \u01b0\u1edbc <br\/> +) N\u1ebfu $m = a^x . b^y . c^z$ th\u00ec m c\u00f3 (x + 1) . (y + 1) . (z + 1) \u01b0\u1edbc <\/i> <\/span> "}]}],"id_ques":694},{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["2"],["2"],["1"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/9.jpg' \/><\/center> <br\/> <table><tr><th>a<\/th><th>b<\/th><th>S\u1ed1 \u01b0\u1edbc c\u1ee7a a<\/th><th>S\u1ed1 \u01b0\u1edbc c\u1ee7a b<\/th><th>S\u1ed1 \u01b0\u1edbc chung c\u1ee7a a v\u00e0 b<\/th><\/tr><tr><td>11<\/td><td>7<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><\/tr><\/table> ","hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3 v\u00ec 11 v\u00e0 7 \u0111\u1ec1u l\u00e0 c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 n\u00ean 11 v\u00e0 7 \u0111\u1ec1u c\u00f3 2 \u01b0\u1edbc <br\/> 11 c\u00f3 2 \u01b0\u1edbc l\u00e0: 11 v\u00e0 1; 7 c\u00f3 2 \u01b0\u1edbc l\u00e0: 1 v\u00e0 7 <br\/> $\\Rightarrow$ 11 v\u00e0 7 c\u00f3 1 \u01b0\u1edbc chung l\u00e0 1 <br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0: 2; 2; 1 <\/span> <br\/> <span class='basic_left'><span class='basic_green'> <i> L\u01b0u \u00fd: C\u00e1ch x\u00e1c \u0111\u1ecbnh s\u1ed1 \u01b0\u1edbc c\u1ee7a s\u1ed1 m (m> 1) ta x\u00e9t d\u1ea1ng ph\u00e2n t\u00edch ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1: <br\/> +) N\u1ebfu m = $a^x$ th\u00ec m c\u00f3 x + 1 \u01b0\u1edbc <br\/> +) N\u1ebfu $m = a^x . b^y$ th\u00ec m c\u00f3 (x + 1)(y + 1) \u01b0\u1edbc <br\/> +) N\u1ebfu $m = a^x . b^y . c^z$ th\u00ec m c\u00f3 (x + 1) . (y + 1) . (z + 1) \u01b0\u1edbc <\/i> <\/span> "}]}],"id_ques":695},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/12.jpg' \/><\/center> <br\/> Hai s\u1ed1 nguy\u00ean t\u1ed1 kh\u00f4ng c\u00f3 \u01b0\u1edbc chung n\u00e0o <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG ","B. SAI "],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u00ec s\u1ed1 nguy\u00ean t\u1ed1 c\u00f3 2 \u01b0\u1edbc l\u00e0 1 v\u00e0 ch\u00ednh n\u00f3 <br\/> N\u00ean hai s\u1ed1 nguy\u00ean t\u1ed1 c\u00f3 \u01b0\u1edbc chung l\u00e0 1 <br\/> $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh \" Hai s\u1ed1 nguy\u00ean t\u1ed1 kh\u00f4ng c\u00f3 \u01b0\u1edbc chung n\u00e0o\" l\u00e0 <b> SAI <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":696},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/12.jpg' \/><\/center> <br\/> N\u1ebfu a l\u00e0 \u01b0\u1edbc c\u1ee7a b, b l\u00e0 \u01b0\u1edbc c\u1ee7a c th\u00ec a l\u00e0 \u01b0\u1edbc chung c\u1ee7a b v\u00e0 c.<b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG ","B. SAI "],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> N\u1ebfu a l\u00e0 \u01b0\u1edbc c\u1ee7a b $\\Rightarrow$ b $\\vdots$ a <br\/> b l\u00e0 \u01b0\u1edbc c\u1ee7a c $\\Rightarrow$ c $\\vdots$ b <br\/> ($\\Rightarrow$ c $\\vdots$ a hay a l\u00e0 \u01b0\u1edbc chung c\u1ee7a b v\u00e0 c ) <br\/> $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh \"a l\u00e0 \u01b0\u1edbc chung c\u1ee7a b v\u00e0 c\" l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":697},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/10.jpg' \/><\/center> <br\/> B\u1ed9i chung nh\u1ecf nh\u1ea5t kh\u00e1c 0 trong c\u00e1c b\u1ed9i chung c\u1ee7a 4 v\u00e0 12 l\u00e0:","select":["A. 4 ","B. 12","C. 24","D. 6"],"hint":"T\u00ecm b\u1ed9i chung c\u1ee7a 4 v\u00e0 12 sau \u0111\u00f3 t\u00ecm b\u1ed9i nh\u1ecf nh\u1ea5t trong c\u00e1c b\u1ed9i chung","explain":"<span class='basic_left'><span class='basic_green'> H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> <b> B\u01b0\u1edbc 1: <\/b> <br\/> T\u00ecm b\u1ed9i c\u1ee7a 4 b\u1eb1ng c\u00e1ch l\u1ea5y 4 nh\u00e2n l\u1ea7n l\u01b0\u1ee3t v\u1edbi c\u00e1c s\u1ed1 0, 1, 2, 3,... <br\/> T\u00ecm b\u1ed9i c\u1ee7a 12 b\u1eb1ng c\u00e1ch l\u1ea5y 12 nh\u00e2n l\u1ea7n l\u01b0\u1ee3t v\u1edbi c\u00e1c s\u1ed1: 0, 1, 2, 3,... <br\/> <b> B\u01b0\u1edbc 2: <\/b> <br\/> T\u00ecm b\u1ed9i chung c\u1ee7a 4 v\u00e0 12 sau \u0111\u00f3 t\u00ecm b\u1ed9i nh\u1ecf nh\u1ea5t trong c\u00e1c b\u1ed9i chung \u0111\u00f3 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> T\u1eadp h\u1ee3p c\u00e1c b\u1ed9i c\u1ee7a 4 l\u00e0: {0; 4; 8; 12; 16; 20; 24; 28; 32; 36...} <br\/> T\u1eadp h\u1ee3p c\u00e1c b\u1ed9i c\u1ee7a 12 l\u00e0: {0; 12; 24; 36;...} <br\/> T\u1eadp h\u1ee3p c\u00e1c b\u1ed9i chung c\u1ee7a 4 v\u00e0 12 l\u00e0: 0; 12; 24; 36;... <br\/> B\u1ed9i nh\u1ecf nh\u1ea5t kh\u00e1c 0 trong c\u00e1c b\u1ed9i chung tr\u00ean l\u00e0 12 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. 12 <\/span> ","column":2}]}],"id_ques":698},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/10.jpg' \/><\/center> <br\/> \u01af\u1edbc chung l\u1edbn nh\u1ea5t trong c\u00e1c \u01b0\u1edbc chung c\u1ee7a 12 v\u00e0 8 l\u00e0:","select":["A. 4 ","B. 2","C. 6","D. 12"],"hint":"T\u00ecm \u01b0\u1edbc chung c\u1ee7a 12 v\u00e0 8 sau \u0111\u00f3 t\u00ecm \u01b0\u1edbc l\u1edbn nh\u1ea5t trong c\u00e1c \u01b0\u1edbc chung","explain":"<span class='basic_left'><span class='basic_green'> H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> <b> B\u01b0\u1edbc 1: <\/b> <br\/> T\u00ecm \u01b0\u1edbc c\u1ee7a 12 b\u1eb1ng c\u00e1ch l\u1ea5y 12 chia l\u1ea7n l\u01b0\u1ee3t v\u1edbi c\u00e1c s\u1ed1 1, 2, 3,... <br\/> T\u00ecm \u01b0\u1edbc c\u1ee7a 8 b\u1eb1ng c\u00e1ch l\u1ea5y 8 chia l\u1ea7n l\u01b0\u1ee3t v\u1edbi c\u00e1c s\u1ed1: 1, 2, 3,... <br\/> <b> B\u01b0\u1edbc 2: <\/b> <br\/> T\u00ecm \u01b0\u1edbc chung c\u1ee7a 8 v\u00e0 12 sau \u0111\u00f3 t\u00ecm \u01b0\u1edbc l\u1edbn nh\u1ea5t trong c\u00e1c \u01b0\u1edbc chung \u0111\u00f3 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> T\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 12 l\u00e0: {1; 2; 3; 6; 12; 4} <br\/> T\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc c\u1ee7a 8 l\u00e0: {1; 2; 4; 8} <br\/> T\u1eadp h\u1ee3p c\u00e1c \u01b0\u1edbc chung c\u1ee7a 8 v\u00e0 12 l\u00e0: 1; 2; 4 <br\/> \u01af\u1edbc l\u1edbn nh\u1ea5t trong c\u00e1c \u01b0\u1edbc chung tr\u00ean l\u00e0 4 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A. 4 <\/span> ","column":2}]}],"id_ques":699},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai14/lv2/img\/10.jpg' \/><\/center> <br\/> B\u1ed9i c\u1ee7a m\u1ed9t s\u1ed1 kh\u00e1c 0 b\u1ea5t k\u00ec l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00f3:","select":["A. 1 ph\u1ea7n t\u1eed ","B. 10 ph\u1ea7n t\u1eed","C. kh\u00f4ng qu\u00e1 100 ph\u1ea7n t\u1eed","D. v\u00f4 s\u1ed1 ph\u1ea7n t\u1eed"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: <br\/> M\u1ed9t s\u1ed1 t\u1ef1 nhi\u00ean kh\u00e1c 0 lu\u00f4n c\u00f3 v\u00f4 s\u1ed1 b\u1ed9i <br\/> $\\Rightarrow$ t\u1eadp h\u1ee3p b\u1ed9i l\u00e0 t\u1eadp c\u00f3 v\u00f4 s\u1ed1 ph\u1ea7n t\u1eed <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D <\/span> ","column":2}]}],"id_ques":700}],"lesson":{"save":0,"level":2}}