{"segment":[{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"Ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng \u0111\u01a1n v\u1ecb \u0111o \u0111\u1ed9 d\u00e0i l\u00e0:","select":["A. Ha ","B. l\u00edt","C. m\u00e9t ","D. m\u00e9t kh\u1ed1i"],"hint":"","explain":"<span class='basic_left'>Ha l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a \u0111\u01a1n v\u1ecb di\u1ec7n t\u00edch Hecta<br\/> l\u00edt v\u00e0 m\u00e9t kh\u1ed1i l\u00e0 \u0111\u01a1n v\u1ecb th\u1ec3 t\u00edch.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2281},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"Ch\u1ecdn c\u00e2u so s\u00e1nh \u0111\u00fang:","select":["A. 0,5m > 5000mm","B. 100dm = 1m","C. 40m < 500dm","D. 0,7cm = 7dm"],"hint":"","explain":"<span class='basic_left'>40m = 400dm < 500dm <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2282},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":"Gi\u1edbi h\u1ea1n \u0111o (GH\u0110) c\u1ee7a th\u01b0\u1edbc l\u00e0:","select":["A. \u0111\u1ed9 d\u00e0i l\u1edbn nh\u1ea5t ghi tr\u00ean th\u01b0\u1edbc.","B. \u0111\u1ed9 d\u00e0i nh\u1ecf nh\u1ea5t ghi tr\u00ean th\u01b0\u1edbc.","C. \u0111\u1ed9 d\u00e0i gi\u1eefa 2 v\u1ea1ch chia li\u00ean ti\u1ebfp tr\u00ean th\u01b0\u1edbc.","D. \u0111\u1ed9 d\u00e0i gi\u1eefa 2 v\u1ea1ch chia nh\u1ecf nh\u1ea5t tr\u00ean th\u01b0\u1edbc."],"hint":"","explain":"<span class='basic_left'>Gi\u1edbi h\u1ea1n \u0111o (GH\u0110) c\u1ee7a th\u01b0\u1edbc l\u00e0 \u0111\u1ed9 d\u00e0i l\u1edbn nh\u1ea5t ghi tr\u00ean th\u01b0\u1edbc.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":2283},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"Tr\u01b0\u1edbc khi \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a m\u1ed9t v\u1eadt, c\u1ea7n ph\u1ea3i \u01b0\u1edbc l\u01b0\u1ee3ng \u0111\u1ed9 d\u00e0i c\u1ea7n \u0111o \u0111\u1ec3: ","select":["A. Ch\u1ecdn d\u1ee5ng c\u1ee5 \u0111o th\u00edch h\u1ee3p.","B. Ch\u1ecdn th\u01b0\u1edbc \u0111o th\u00edch h\u1ee3p.","C. \u0110o chi\u1ec1u d\u00e0i cho ch\u00ednh x\u00e1c.","D. C\u00f3 c\u00e1ch \u0111\u1eb7t m\u1eaft cho \u0111\u00fang c\u00e1ch."],"hint":"","explain":"<span class='basic_left'>Tr\u01b0\u1edbc khi \u0111o \u0111\u1ed9 d\u00e0i c\u1ee7a m\u1ed9t v\u1eadt, c\u1ea7n ph\u1ea3i \u01b0\u1edbc l\u01b0\u1ee3ng \u0111\u1ed9 d\u00e0i c\u1ea7n \u0111o \u0111\u1ec3 ch\u1ecdn th\u01b0\u1edbc \u0111o th\u00edch h\u1ee3p.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2284},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/vatly/bai1/lv2/img\/h5.jpg' \/><\/center>Ch\u1ecdn c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang. Gi\u1edbi h\u1ea1n \u0111o c\u1ee7a th\u01b0\u1edbc tr\u00ean h\u00ecnh l\u00e0:","select":["A. S\u1ed1 l\u1edbn nh\u1ea5t ghi tr\u00ean th\u01b0\u1edbc (\u1edf \u0111i\u1ec3m B tr\u00ean h\u00ecnh a)","B. \u0110\u1ed9 d\u00e0i l\u1edbn nh\u1ea5t ghi tr\u00ean th\u01b0\u1edbc (\u0111\u1ed9 d\u00e0i \u0111o\u1ea1n CD tr\u00ean h\u00ecnh b)","C. \u0110\u1ed9 d\u00e0i nh\u1ecf nh\u1ea5t ghi tr\u00ean th\u01b0\u1edbc (\u0111\u1ed9 d\u00e0i gi\u1eefa hai m\u0169i t\u00ean \u1edf h\u00ecnh C)","D. C\u1ea3 A, B, C \u0111\u1ec1u sai"],"hint":"","explain":"<span class='basic_left'>Xem l\u1ea1i \u0111\u1ecbnh ngh\u0129a v\u1ec1 GH\u0110.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2285},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/vatly/bai1/lv2/img\/h0.jpg'\/><\/center>H\u00e3y cho bi\u1ebft GH\u0110 v\u00e0 \u0110CNN c\u1ee7a th\u01b0\u1edbc k\u1ebb trong h\u00ecnh sau \u0111\u00e2y:","select":["A. GH\u0110= 30cm;\u0110CNN= 1mm","B. GH\u0110= 20cm;\u0110CNN= 10mm","C. GH\u0110= 10cm;\u0110CNN=0,1mm","D. GH\u0110= 15cm;\u0110CNN= 1cm"],"hint":"","explain":"<span class='basic_left'>T\u1eeb h\u00ecnh ta c\u00f3: GH\u0110= 30cm;\u0110CNN= 1mm<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2286},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"M\u1ed9t h\u1ecdc sinh d\u00f9ng th\u01b0\u1edbc c\u00f3 \u0110CNN l\u00e0 0,1cm \u0111\u1ec3 \u0111o chi\u1ec1u d\u00e0i c\u00e2y b\u00fat ch\u00ec. Trong c\u00e1c k\u1ebft qu\u1ea3 ghi d\u01b0\u1edbi \u0111\u00e2y, c\u00e1ch ghi n\u00e0o l\u00e0 \u0111\u00fang?","select":["A. 0,14m","B. 14cm","C. 1,4dm","D. 14,0cm"],"hint":"","explain":"<span class='basic_left'>V\u00ec \u0111\u1ed9 chia nh\u1ecf nh\u1ea5t l\u00e0 0,1cm n\u00ean c\u1ea7n ghi l\u00e0 14,0cm (ghi 1 ch\u1eef s\u1ed1 sau d\u1ea5y ph\u1ea9y).<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2287},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop6/vatly/bai1/lv2/img\/h4.jpg'\/><\/center>Gi\u1edbi h\u1ea1n \u0111o c\u1ee7a th\u01b0\u1edbc trong h\u00ecnh v\u1ebd l\u00e0:","select":["A. Kho\u1ea3ng c\u00e1ch t\u00ednh t\u1eeb \u0111\u1ea7u th\u01b0\u1edbc \u0111\u1ebfn cu\u1ed1i th\u01b0\u1edbc (AB)","B. \u0110\u1ed9 d\u00e0i l\u1edbn nh\u1ea5t ghi tr\u00ean th\u01b0\u1edbc (CD)","C. \u0110\u1ed9 d\u00e0i gi\u1eefa hai v\u1ea1ch li\u00ean ti\u1ebfp tr\u00ean th\u01b0\u1edbc (EF)","D. C\u1ea3 ba c\u00e2u tr\u00ean \u0111\u1ec1u sai"],"hint":"","explain":"<span class='basic_left'>Gi\u1edbi h\u1ea1n \u0111o l\u00e0 \u0111\u1ed9 d\u00e0i l\u1edbn nh\u1ea5t ghi tr\u00ean th\u01b0\u1edbc.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2288},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"C\u00e1ch ghi k\u1ebft qu\u1ea3 \u0111o n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang?","select":["A. Ch\u1ec9 c\u1ea7n k\u1ebft qu\u1ea3 \u0111o kh\u00f4ng chia h\u1ebft cho \u0110CNN c\u1ee7a d\u1ee5ng c\u1ee5 \u0111o.","B. Ch\u1ec9 c\u1ea7n ch\u1eef s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a k\u1ebft qu\u1ea3 \u0111o c\u00f9ng \u0111\u01a1n v\u1ecb v\u1edbi \u0110CNN c\u1ee7a d\u1ee5ng c\u1ee5 \u0111o.","C. Ch\u1ec9 c\u1ea7n ch\u1eef s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a \u0111\u01a1n v\u1ecb \u0111o c\u00f9ng \u0111\u01a1n v\u1ecb v\u1edbi GH\u0110 c\u1ee7a d\u1ee5 c\u1ee5ng \u0111o v\u00e0 chia h\u1ebft cho \u0110CNN.","D. Ch\u1ec9 c\u1ea7n ch\u1eef s\u1ed1 cu\u1ed1i c\u00f9ng c\u1ee7a k\u1ebft qu\u1ea3 \u0111o c\u00f9ng \u0111\u01a1n v\u1ecb v\u1edbi \u0110CNN c\u1ee7a d\u1ee5ng c\u1ee5 \u0111o v\u00e0 chia h\u1ebft cho \u0110CNN."],"hint":"","explain":"<span class='basic_left'>Ta ph\u1ea3i l\u00e0m tr\u00f2n k\u1ebft qu\u1ea3 \u0111o theo \u0111\u1ed9 chia g\u1ea7n nh\u1ea5t v\u1edbi \u0111\u1ea7u kia c\u1ee7a v\u1eadt (\u0111\u1ea7u c\u00f2n l\u1ea1i ph\u1ea3i ngang b\u1eb1ng v\u1edbi v\u1ea1ch s\u1ed1 0), nh\u01b0 v\u1eady ch\u1eef s\u1ed1 cu\u1ed1i c\u00f9ng ph\u1ea3i \u0111\u01b0\u1ee3c ghi theo \u0110CNN c\u1ee7a d\u1ee5ng c\u1ee5 \u0111o.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2289},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"Trong s\u1ed1 c\u00e1c th\u01b0\u1edbc d\u01b0\u1edbi \u0111\u00e2y, th\u01b0\u1edbc n\u00e0o th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ec3 \u0111o \u0111\u1ed9 d\u00e0i s\u00e2n tr\u01b0\u1eddng em?","select":["A. Th\u01b0\u1edbc th\u1eb3ng c\u00f3 GH\u0110 1m v\u00e0 \u0110CNN 1mm","B. Th\u01b0\u1edbc cu\u1ed9n c\u00f3 GH\u0110 5m v\u00e0 \u0110CNN 5mm.","C. Th\u01b0\u1edbc d\u00e2y c\u00f3 GH\u0110 150cm v\u00e0 \u0110CNN 1mm.","D. Th\u01b0\u1edbc th\u1eb3ng c\u00f3 GH\u0110 1m v\u00e0 \u0110CNN 1cm."],"hint":"","explain":"<span class='basic_left'>Ta c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch nh\u01b0 sau:<br\/> Chi\u1ec1u d\u00e0i s\u00e2n tr\u01b0\u1eddng th\u01b0\u1eddng c\u1ee1 v\u00e0o kho\u1ea3ng m\u1ed9t v\u00e0i ch\u1ee5c m\u00e9t.<br\/> Ch\u1ecdn th\u01b0\u1edbc B (th\u01b0\u1edbc cu\u1ed9n) c\u00f3 GH\u0110 l\u1edbn nh\u1ea5t n\u00ean ph\u1ea3i \u0111o \u00edt l\u1ea7n nh\u1ea5t.<br\/> Tuy \u0110CNN c\u1ee7a th\u01b0\u1edbc B (l\u00e0 5mm) l\u1edbn h\u01a1n th\u01b0\u1edbc A v\u00e0 C (l\u00e0 1mm), nh\u01b0ng d\u00f9ng th\u01b0\u1edbc B v\u1eabn ph\u00f9 h\u1ee3p so v\u1edbi chi\u1ec1u d\u00e0i s\u00e2n tr\u01b0\u1eddng <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2290}],"lesson":{"save":0,"level":2}}