{"segment":[{"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/bai13/lv1/img\/1.png' \/><\/center> <br\/> S\u1ed1 nguy\u00ean t\u1ed1 l\u00e0 s\u1ed1 t\u1ef1 nhi\u00ean l\u1edbn h\u01a1n 1 ch\u1ec9 c\u00f3 hai \u01b0\u1edbc l\u00e0 m\u1ed9t v\u00e0 ch\u00ednh n\u00f3. <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\/> S\u1ed1 nguy\u00ean t\u1ed1 l\u00e0 s\u1ed1 l\u1edbn h\u01a1n 1, ch\u1ec9 c\u00f3 hai \u01b0\u1edbc l\u00e0 m\u1ed9t v\u00e0 ch\u00ednh n\u00f3 <br\/> N\u00ean kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <b> \u0110\u00daNG <\/b> ","column":2}]}],"id_ques":611},{"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/bai13/lv1/img\/1.png' \/><\/center> <br\/> C\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 nh\u1ecf h\u01a1n 10 ch\u1ec9 c\u00f3 3 v\u00e0 5 <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\/> C\u00f3 c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 nh\u1ecf h\u01a1n 10 l\u00e0: 3; 5; 7 <br\/> N\u00ean kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <b> SAI <\/b> ","column":2}]}],"id_ques":612},{"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/bai13/lv1/img\/1.png' \/><\/center> <br\/> S\u1ed1 16 l\u00e0 h\u1ee3p s\u1ed1. <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\/> S\u1ed1 16 c\u00f3 c\u00e1c \u01b0\u1edbc l\u00e0: 1; 2; 4; 8; 16 <br\/> N\u00ean 16 l\u00e0 h\u1ee3p s\u1ed1 <br\/> V\u1eady kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <b> \u0110\u00daNG <\/b> ","column":2}]}],"id_ques":613},{"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/bai13/lv1/img\/3.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn s\u1ed1 nguy\u00ean t\u1ed1 trong c\u00e1c s\u1ed1 sau.","select":["A. 45","B. 73 ","C. 81 ","D. 69 "],"hint":"D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 nh\u1ecf h\u01a1n 100 \u0111\u1ec3 ch\u1ecdn s\u1ed1 nguy\u00ean t\u1ed1 <br\/> Ho\u1eb7c d\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 nh\u1ecf h\u01a1n 100 ta c\u00f3: <br\/> S\u1ed1 45 l\u00e0 h\u1ee3p s\u1ed1 <br\/> S\u1ed1 73 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> S\u1ed1 81 l\u00e0 h\u1ee3p s\u1ed1 <br\/> S\u1ed1 69 l\u00e0 s\u1ed1 h\u1ee3p s\u1ed1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":614},{"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/bai13/lv1/img\/3.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn s\u1ed1 nguy\u00ean t\u1ed1 trong c\u00e1c s\u1ed1 sau.","select":["A. 47","B. 82 ","C. 49 ","D. 91 "],"hint":"D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 nh\u1ecf h\u01a1n 100 \u0111\u1ec3 ch\u1ecdn s\u1ed1 nguy\u00ean t\u1ed1 <br\/> Ho\u1eb7c d\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 nh\u1ecf h\u01a1n 100 ta c\u00f3: <br\/> S\u1ed1 47 l\u00e0 s\u1ed1 ngy\u00ean t\u1ed1 <br\/> S\u1ed1 82 l\u00e0 s\u1ed1 h\u1ee3p s\u1ed1 <br\/> S\u1ed1 49 l\u00e0 h\u1ee3p s\u1ed1 <br\/> S\u1ed1 91 l\u00e0 s\u1ed1 h\u1ee3p s\u1ed1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":615},{"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/bai13/lv1/img\/10.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn h\u1ee3p s\u1ed1 trong c\u00e1c s\u1ed1 sau.","select":["A. 42","B. 31 ","C. 79 ","D. 83 "],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> V\u1edbi d\u1ea1ng b\u00e0i n\u00e0y ta th\u01b0\u1eddng s\u1eed d\u1ee5ng 2 c\u00e1ch <br\/> <b> C\u00e1ch 1: <\/b> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 lo\u1ea1i c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 <br\/> <b> C\u00e1ch 2: <\/b> D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m h\u1ee3p s\u1ed1 \u0111\u1ec3 ch\u1ecdn h\u1ee3p s\u1ed1 trong c\u00e1c s\u1ed1 tr\u00ean <\/span> <br\/><br\/> <span class='basic_green'> B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u1edbi b\u00e0i n\u00e0y ta s\u1eed d\u1ee5ng c\u00e1ch 1 <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3: <br\/> S\u1ed1 42 l\u00e0 h\u1ee3p s\u1ed1 <br\/> S\u1ed1 31 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> S\u1ed1 79 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> S\u1ed1 83 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":616},{"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/bai13/lv1/img\/10.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn h\u1ee3p s\u1ed1 trong c\u00e1c s\u1ed1 sau.","select":["A. 89","B. 97 ","C. 37 ","D. 111 "],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> V\u1edbi d\u1ea1ng b\u00e0i n\u00e0y ta th\u01b0\u1eddng s\u1eed d\u1ee5ng 2 c\u00e1ch <br\/> <b> C\u00e1ch 1: <\/b> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 lo\u1ea1i c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 <br\/> <b> C\u00e1ch 2: <\/b> D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m h\u1ee3p s\u1ed1 \u0111\u1ec3 ch\u1ecdn h\u1ee3p s\u1ed1 trong c\u00e1c s\u1ed1 tr\u00ean <\/span> <br\/><br\/> <span class='basic_green'> B\u00e0i gi\u1ea3i:<\/span> <br\/> V\u1edbi b\u00e0i n\u00e0y ta s\u1eed d\u1ee5ng c\u00e1ch 1 <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3: <br\/> S\u1ed1 89 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> S\u1ed1 97 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> S\u1ed1 37 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> S\u1ed1 111 l\u00e0 h\u1ee3p s\u1ed1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D <\/span> ","column":2}]}],"id_ques":617},{"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/bai13/lv1/img\/4.jpg' \/><\/center> <br\/> S\u1ed1 71 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 hay h\u1ee3p s\u1ed1?","select":["A. S\u1ed1 nguy\u00ean t\u1ed1","B. H\u1ee3p s\u1ed1 "],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> C\u00e1ch 1: <\/b> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 <br\/> <b> C\u00e1ch 2: <\/b> D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1 v\u00e0 kh\u00e1i ni\u1ec7m h\u1ee3p s\u1ed1 <\/span> <br\/><br\/> <span class='basic_green'> B\u00e0i gi\u1ea3i:<\/span> <br\/> <b> C\u00e1ch 1: <\/b> <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3 s\u1ed1 71 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":618},{"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/bai13/lv1/img\/4.jpg' \/><\/center> <br\/> S\u1ed1 123 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 hay h\u1ee3p s\u1ed1?","select":["A. S\u1ed1 nguy\u00ean t\u1ed1","B. H\u1ee3p s\u1ed1 "],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> C\u00e1ch 1: <\/b> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 <br\/> <b> C\u00e1ch 2: <\/b> D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1 v\u00e0 kh\u00e1i ni\u1ec7m h\u1ee3p s\u1ed1 <\/span> <br\/><br\/> <span class='basic_green'> B\u00e0i gi\u1ea3i:<\/span> <br\/> <b> C\u00e1ch 2: <\/b> <br\/> S\u1ed1 123 c\u00f3 c\u00e1c \u01b0\u1edbc l\u00e0: 1; 3; 41; 123 <br\/> V\u00ec 123 c\u00f3 nhi\u1ec1u h\u01a1n 2 \u01b0\u1edbc n\u00ean 123 l\u00e0 h\u1ee3p s\u1ed1 <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":619},{"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/bai13/lv1/img\/13.jpg' \/><\/center> <br\/> K\u1ebft qu\u1ea3 ph\u00e9p t\u00ednh 5 . 6 . 7 + 8 . 9 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 hay h\u1ee3p s\u1ed1?","select":["A. S\u1ed1 nguy\u00ean t\u1ed1","B. H\u1ee3p s\u1ed1 "],"hint":"T\u00ednh 5 . 6 . 7 + 8 . 9 r\u1ed3i d\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1, h\u1ee3p s\u1ed1 \u0111\u1ec3 k\u1ebft lu\u1eadn","explain":" <span class='basic_green'> B\u00e0i gi\u1ea3i: <\/span> <br\/> Ta c\u00f3: <br\/> 5 . 6 . 7 + 8 . 9 = 210 + 72 = 282 <br\/> S\u1ed1 282 c\u00f3 c\u00e1c \u01b0\u1edbc l\u00e0: 1; 2; 3; 6; 47; 141; 94; 282 <br\/> V\u00ec 282 c\u00f3 8 \u01b0\u1edbc n\u00ean 282 l\u00e0 h\u1ee3p s\u1ed1 <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":620},{"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/bai13/lv1/img\/13.jpg' \/><\/center> <br\/> K\u1ebft qu\u1ea3 ph\u00e9p t\u00ednh 5 . 7 . 11 + 13 . 17 . 19 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 hay h\u1ee3p s\u1ed1?","select":["A. S\u1ed1 nguy\u00ean t\u1ed1","B. H\u1ee3p s\u1ed1 "],"hint":"T\u00ednh 5 . 7 . 11 + 13 . 17 . 19 r\u1ed3i d\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1, h\u1ee3p s\u1ed1 \u0111\u1ec3 k\u1ebft lu\u1eadn","explain":" <span class='basic_green'> B\u00e0i gi\u1ea3i: <\/span> <br\/> Ta c\u00f3: <br\/> 5 . 7 . 11 + 13 . 17 . 19 = 385 + 4199 = 4584 <br\/> S\u1ed1 4584 $\\vdots$ 2 v\u00e0 4584 $\\vdots$ 3 <br\/> V\u00ec v\u1eady 4584 c\u00f3 \u00edt nh\u1ea5t 4 \u01b0\u1edbc l\u00e0 1; 2; 3; 4584 n\u00ean 4584 l\u00e0 h\u1ee3p s\u1ed1 <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B <\/span> ","column":2}]}],"id_ques":621},{"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/bai13/lv1/img\/13.jpg' \/><\/center> <br\/> K\u1ebft qu\u1ea3 ph\u00e9p t\u00ednh 143 . 4 + 425 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 hay h\u1ee3p s\u1ed1?","select":["A. S\u1ed1 nguy\u00ean t\u1ed1","B. H\u1ee3p s\u1ed1 "],"hint":"T\u00ednh 143 . 4 + 425 r\u1ed3i d\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ho\u1eb7c kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1, h\u1ee3p s\u1ed1 \u0111\u1ec3 k\u1ebft lu\u1eadn","explain":" <span class='basic_green'> B\u00e0i gi\u1ea3i: <\/span> <br\/> Ta c\u00f3: <br\/> 143 . 4 + 425 = 572 + 425 = 997 <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta th\u1ea5y 997 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A <\/span> ","column":2}]}],"id_ques":622},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv1/img\/11.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn kh\u1eb3ng \u0111\u1ecbnh sai","select":["A. C\u00f3 hai s\u1ed1 t\u1ef1 nhi\u00ean li\u00ean ti\u1ebfp l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1","B. M\u1ecdi s\u1ed1 nguy\u00ean t\u1ed1 l\u1edbn h\u01a1n 2 \u0111\u1ec1u l\u00e0 s\u1ed1 l\u1ebb ","C. M\u1ecdi s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec1u c\u00f3 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 m\u1ed9t trong c\u00e1c s\u1ed1 1; 3; 5; 7; 9"],"hint":"C\u00f3 th\u1ec3 d\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 x\u00e9t t\u1eebng \u0111\u00e1p \u00e1n","explain":" <span class='basic_green'> B\u00e0i gi\u1ea3i: <\/span> <br\/> Ta c\u00f3: <br\/> A - Ta th\u1ea5y c\u00f3 s\u1ed1 2 v\u00e0 s\u1ed1 3 \u0111\u1ec1u l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> N\u00ean kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> B - V\u00ec s\u1ed1 nguy\u00ean t\u1ed1 ch\u1ec9 c\u00f3 2 \u01b0\u1edbc l\u00e0 1 v\u00e0 ch\u00ednh n\u00f3 <br\/> M\u00e0 s\u1ed1 ch\u1eb5n l\u1edbn h\u01a1n 2 th\u00ec c\u00f3 nhi\u1ec1u h\u01a1n 2 \u01b0\u1edbc (1; 2 v\u00e0 ch\u00ednh n\u00f3) <br\/> $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''M\u1ecdi s\u1ed1 nguy\u00ean t\u1ed1 l\u1edbn h\u01a1n 2 \u0111\u1ec1u l\u00e0 s\u1ed1 l\u1ebb'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> C - Kh\u1eb3ng \u0111\u1ecbnh ''M\u1ecdi s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec1u c\u00f3 ch\u1eef s\u1ed1 t\u1eadn c\u00f9ng l\u00e0 m\u1ed9t trong c\u00e1c s\u1ed1 1; 3; 5; 7; 9'' l\u00e0 <b> SAI <\/b> <br\/> V\u00ec s\u1ed1 2 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 m\u00e0 2 $\\neq$ 1; 3; 5; 7; 9 <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n sai l\u00e0: C <\/span> ","column":1}]}],"id_ques":623},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv1/img\/11.jpg' \/><\/center> <br\/> G\u1ecdi P l\u00e0 t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 <br\/> H\u00e3y ch\u1ecdn kh\u1eb3ng \u0111\u1ecbnh sai.","select":["A. $201 \\in P$","B. $199 \\in P$ ","C. $101 \\in P$"],"hint":"V\u1edbi b\u00e0i n\u00e0y c\u00f3 th\u1ec3 d\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 nh\u1ecf h\u01a1n 1000 \u0111\u1ec3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","explain":" <span class='basic_green'> B\u00e0i gi\u1ea3i: <\/span> <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3: <br\/> A - S\u1ed1 201 kh\u00f4ng ph\u1ea3i s\u1ed1 nguy\u00ean t\u1ed1 <br\/> $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$201 \\in P$'' l\u00e0 <b> SAI <\/b> <br\/> B - S\u1ed1 199 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$199 \\in P$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/> C - S\u1ed1 101 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> $\\Rightarrow$ Kh\u1eb3ng \u0111\u1ecbnh ''$101 \\in P$'' l\u00e0 <b> \u0110\u00daNG <\/b> <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n sai l\u00e0: A <\/span> ","column":3}]}],"id_ques":624},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["3"],["9"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv1/img\/7.jpg' \/><\/center> <br\/> Thay * b\u1eb1ng ch\u1eef s\u1ed1 th\u00edch h\u1ee3p \u0111\u1ec3 $\\overline{5*}$ l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> V\u1eady * = _input_ ; _input_","hint":"C\u00f3 th\u1ec3 d\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ho\u1eb7c thay l\u1ea7n l\u01b0\u1ee3t c\u00e1c gi\u00e1 tr\u1ecb * = 0, 1,...,9 xem gi\u00e1 tr\u1ecb n\u00e0o ph\u00f9 h\u1ee3p","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta th\u1ea5y c\u00f3 53; 59 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> V\u1eady * = 3 ho\u1eb7c * = 9 th\u00ec $\\overline{5*}$ l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> <span class='basic_pink'> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 3; 9 <\/span>"}]}],"id_ques":625},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["3"],["9"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv1/img\/7.jpg' \/><\/center> <br\/> Thay * b\u1eb1ng ch\u1eef s\u1ed1 th\u00edch h\u1ee3p \u0111\u1ec3 $\\overline{8*}$ l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> V\u1eady * = _input_ ; _input_","hint":"C\u00f3 th\u1ec3 d\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ho\u1eb7c thay l\u1ea7n l\u01b0\u1ee3t c\u00e1c gi\u00e1 tr\u1ecb * = 0, 1,...,9 xem gi\u00e1 tr\u1ecb n\u00e0o ph\u00f9 h\u1ee3p","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta th\u1ea5y c\u00f3 83; 89 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> V\u1eady * = 3 ho\u1eb7c * = 9 th\u00ec $\\overline{8*}$ l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> <span class='basic_pink'> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 3; 9 <\/span>"}]}],"id_ques":626},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv1/img\/3.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 * \u0111\u1ec3 $\\overline{4*}$ l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1?","select":["A. $* \\in ${1; 3; 7; 9}","B. $ * \\in ${1; 2; 3; 5} ","C. $* \\in ${1; 3; 7}"],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> C\u00e1ch 1: <\/b> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 t\u00ecm ra c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 d\u1ea1ng $\\overline{4*}$ <br\/> <b> C\u00e1ch 2: <\/b> Thay c\u00e1c gi\u00e1 tr\u1ecb * v\u00e0o $\\overline{4*}$ xem v\u1edbi gi\u00e1 tr\u1ecb n\u00e0o c\u1ee7a * th\u00ec $\\overline{4*}$ l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <\/span> <br\/><br\/> <span class='basic_green'> B\u00e0i gi\u1ea3i: <\/span> <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3: 41; 43; 47 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> V\u1eady v\u1edbi * $\\in \\left\\{1; 3; 7 \\right\\}$ th\u00ec $\\overline{4*}$ l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C <\/span> ","column":3}]}],"id_ques":627},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv1/img\/3.jpg' \/><\/center> <br\/> H\u00e3y ch\u1ecdn t\u1eadp h\u1ee3p c\u00e1c s\u1ed1 * \u0111\u1ec3 $\\overline{6*}$ l\u00e0 h\u1ee3p s\u1ed1?","select":["A. $* \\in$ {1; 7; 5}","B. $ * \\in ${2; 4; 6; 7} ","C. $* \\in$ {0; 2; 3; 4; 5; 6; 8; 9}","D. $* \\in ${2; 4; 5; 6; 7; 8}"],"hint":"V\u1edbi b\u00e0i n\u00e0y c\u00e1ch nhanh nh\u1ea5t l\u00e0 d\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 \u0111\u1ec3 lo\u1ea1i ra c\u00e1c s\u1ed1 nguy\u00ean t\u1ed1 d\u1ea1ng $\\overline{6*}$ ","explain":" <span class='basic_green'> B\u00e0i gi\u1ea3i: <\/span> <br\/> D\u1ef1a v\u00e0o b\u1ea3ng s\u1ed1 nguy\u00ean t\u1ed1 ta c\u00f3: 61; 67 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> V\u1eady v\u1edbi * = 1; * = 7 th\u00ec $\\overline{6*}$ l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 <br\/> $\\Rightarrow$ v\u1edbi * $\\in $ {0; 2; 3; 4; 5; 6; 8; 9} th\u00ec $\\overline{6*}$ l\u00e0 h\u1ee3p s\u1ed1 <br\/><span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C <\/span> ","column":2}]}],"id_ques":628},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv1/img\/2.jpg' \/><\/center> <br\/> Ph\u00e2n t\u00edch s\u1ed1 120 ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 ta \u0111\u01b0\u1ee3c:","select":["A. $120 = 2 . 60$","B. $120 = 3 . 5 . 8$ ","C. $120 = 2^3 . 3 . 5$","D. $120 = 2 . 3 . 20$"],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> C\u00e1ch 1: <\/b> <br\/> X\u00e9t c\u00e1c t\u00edch tr\u00ean n\u1ebfu c\u00e1c th\u1eeba s\u1ed1 trong t\u00edch \u0111\u1ec1u l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 v\u00e0 t\u00edch b\u1eb1ng 120 th\u00ec \u0111\u00f3 l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang <br\/> <b> C\u00e1ch 2: <\/b> <br\/> Ph\u00e2n t\u00edch 120 ra t\u00edch c\u00e1c th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 sau \u0111\u00f3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang <\/span> <br\/><br\/> <span class='basic_green'> B\u00e0i gi\u1ea3i: <\/span> <br\/> <b> C\u00e1ch 2: <\/b> <br\/> Ta c\u00f3: 120 = 2 . 2 . 2 . 3 . 5 = $2^3 . 3 . 5$ <br\/> V\u1eady 120 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 l\u00e0: 120 = $2^3 . 3 . 5$ <br\/><span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: C <\/span> ","column":2}]}],"id_ques":629},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/toan/daiso/bai13/lv1/img\/2.jpg' \/><\/center> <br\/> Ph\u00e2n t\u00edch s\u1ed1 306 ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 ta \u0111\u01b0\u1ee3c:","select":["A. $306 = 2 . 153$","B. $306 = 3 . 102$ ","C. $306 = 4 . 75$","D. $306 = 2 . 3^2 . 17$"],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> C\u00e1ch 1: <\/b> <br\/> X\u00e9t c\u00e1c t\u00edch tr\u00ean n\u1ebfu c\u00e1c th\u1eeba s\u1ed1 trong t\u00edch \u0111\u1ec1u l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 v\u00e0 t\u00edch b\u1eb1ng 306 th\u00ec \u0111\u00f3 l\u00e0 \u0111\u00e1p \u00e1n \u0111\u00fang <br\/> <b> C\u00e1ch 2: <\/b> <br\/> Ph\u00e2n t\u00edch 306 ra t\u00edch c\u00e1c th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 sau \u0111\u00f3 ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang <\/span> <br\/><br\/> <span class='basic_green'> B\u00e0i gi\u1ea3i: <\/span> <br\/> <b> C\u00e1ch 2: <\/b> <br\/> Ta c\u00f3: 306 = 2 . 3 . 3 . 17 = $2 . 3^2 . 17$ <br\/> V\u1eady 306 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch ra th\u1eeba s\u1ed1 nguy\u00ean t\u1ed1 l\u00e0: 306 = $2 . 3^2 . 17$ <br\/><span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0: D <\/span> ","column":2}]}],"id_ques":630}],"lesson":{"save":0,"level":1}}