{"segment":[{"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"],["18"]]],"list":[{"point":5,"width":50,"type_input":"","input_hint":["frac"],"ques":"H\u00e3y vi\u1ebft ph\u00e2n s\u1ed1 sau: <br\/> Hai ph\u1ea7n m\u01b0\u1eddi t\u00e1m:<div class=\"frac123\"><div class=\"ts\">_input_<\/div><div class=\"ms\">_input_<\/div><\/div>","hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> \u00dd ngh\u0129a t\u1eed s\u1ed1 v\u00e0 m\u1eabu s\u1ed1 c\u1ee7a ph\u00e2n s\u1ed1 <\/b> <br\/> +) M\u1eabu s\u1ed1 cho bi\u1ebft \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c chia ra l\u00e0m m\u1ea5y ph\u1ea7n b\u1eb1ng nhau <br\/> +) T\u1eed s\u1ed1 cho bi\u1ebft s\u1ed1 ph\u1ea7n b\u1eb1ng nhau \u0111\u00e3 l\u1ea5y <br\/> $\\dfrac{a}{b}$ v\u1edbi a, b $\\in \\mathbb{Z}, b \\neq 0$ <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ph\u00e2n s\u1ed1 hai ph\u1ea7n m\u01b0\u1eddi t\u00e1m \u0111\u01b0\u1ee3c vi\u1ebft nh\u01b0 sau: $\\dfrac{2}{18}$ <br\/> Trong \u0111\u00f3 2 l\u00e0 t\u1eed s\u1ed1, 18 l\u00e0 m\u1eabu s\u1ed1"}]}],"id_ques":1401},{"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":[[["14"],["100"]]],"list":[{"point":5,"width":50,"type_input":"","input_hint":["frac"],"ques":"H\u00e3y vi\u1ebft ph\u00e2n s\u1ed1 sau: <br\/> M\u01b0\u1eddi b\u1ed1n ph\u1ea7n tr\u0103m: <div class=\"frac123\"><div class=\"ts\">_input_<\/div><div class=\"ms\">_input_<\/div><\/div>","hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ph\u00e2n s\u1ed1 m\u01b0\u1eddi b\u1ed1n ph\u1ea7n tr\u0103m \u0111\u01b0\u1ee3c vi\u1ebft nh\u01b0 sau: $\\dfrac{14}{100}$ <br\/> Trong \u0111\u00f3 14 l\u00e0 t\u1eed s\u1ed1, 100 l\u00e0 m\u1eabu s\u1ed1 <br\/> <span class='basic_pink'> V\u1eady ph\u00e2n s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: $\\dfrac{14}{100}$ <\/span> "}]}],"id_ques":1402},{"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":[[["-3"],["8"]]],"list":[{"point":5,"width":50,"ques":"H\u00e3y vi\u1ebft ph\u00e9p chia sau \u0111\u01b0\u1edbi d\u1ea1ng ph\u00e2n s\u1ed1: <br\/> (-3) : 8 = <div class=\"frac123\"><div class=\"ts\">_input_<\/div><div class=\"ms\">_input_<\/div><\/div>","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Trong m\u1ed9t ph\u00e9p chia th\u00ec: S\u1ed1 b\u1ecb chia ch\u00ednh l\u00e0 t\u1eed s\u1ed1, s\u1ed1 chia ch\u00ednh l\u00e0 m\u1eabu s\u1ed1 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ph\u00e9p chia (-3) : (8) \u0111\u01b0\u1ee3c vi\u1ebft \u0111\u01b0\u1edbi d\u1ea1ng ph\u00e2n s\u1ed1 nh\u01b0 sau: <br\/> $(-3) : 8 = \\dfrac{-3}{8}$"}]}],"id_ques":1403},{"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"],["15"]]],"list":[{"point":5,"width":50,"type_input":"","input_hint":["frac"],"ques":"H\u00e3y vi\u1ebft ph\u00e9p chia sau \u0111\u01b0\u1edbi d\u1ea1ng ph\u00e2n s\u1ed1: <br\/> 2 : (-15) = <div class=\"frac123\"><div class=\"ts\">_input_<\/div><div class=\"ms\">_input_<\/div><\/div>","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Trong m\u1ed9t ph\u00e9p chia th\u00ec: S\u1ed1 b\u1ecb chia ch\u00ednh l\u00e0 t\u1eed s\u1ed1, s\u1ed1 chia ch\u00ednh l\u00e0 m\u1eabu s\u1ed1 <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ph\u00e9p chia 2 : (-15) \u0111\u01b0\u1ee3c vi\u1ebft \u0111\u01b0\u1edbi d\u1ea1ng ph\u00e2n s\u1ed1 nh\u01b0 sau: <br\/> $2 : (-15) =\\dfrac{-2}{15}$ "}]}],"id_ques":1404},{"time":9,"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/bai29/lv1/img\/D631_D101.png' \/><\/center> <br\/> Ph\u1ea7n t\u00f4 m\u00e0u trong h\u00ecnh tr\u00ean bi\u1ec3u di\u1ec5n ph\u00e2n s\u1ed1 n\u00e0o sau \u0111\u00e2y?","select":["A. $\\dfrac{21}{25}$","B. $\\dfrac{4}{21}$","C. $\\dfrac{4}{25}$ ","D. $\\dfrac{21}{4}$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span><br\/> T\u1eed s\u1ed1 c\u1ee7a ph\u00e2n s\u1ed1 c\u1ea7n t\u00ecm ch\u00ednh l\u00e0 s\u1ed1 \u00f4 \u0111\u01b0\u1ee3c t\u00f4 m\u00e0u <br\/> M\u1eabu s\u1ed1 c\u1ee7a ph\u00e2n s\u1ed1 \u0111\u00f3 ch\u00ednh l\u00e0 s\u1ed1 \u00f4 vu\u00f4ng \u0111\u01b0\u1ee3c chia ra <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> V\u00ec c\u00f3 4 \u00f4 \u0111\u01b0\u1ee3c t\u00f4 m\u00e0u n\u00ean t\u1eed s\u1ed1 l\u00e0 4 <br\/> H\u00ecnh vu\u00f4ng tr\u00ean \u0111\u01b0\u1ee3c chia ra 25 ph\u1ea7n b\u1eb1ng nhau n\u00ean m\u1eabu s\u1ed1 l\u00e0 25 <br\/> V\u1eady h\u00ecnh v\u1ebd tr\u00ean bi\u1ec3u di\u1ec5n ph\u00e2n s\u1ed1: $\\dfrac{4}{25}$ <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C. $\\dfrac{4}{25}$ <\/span>","column":2}]}],"id_ques":1405},{"time":9,"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/bai29/lv1/img\/D631_D102.png' \/><\/center> <br\/> Ph\u1ea7n t\u00f4 m\u00e0u trong h\u00ecnh tr\u00ean bi\u1ec3u di\u1ec5n ph\u00e2n s\u1ed1 n\u00e0o sau \u0111\u00e2y?","select":["A. $\\dfrac{2}{10}$","B. $\\dfrac{2}{8}$","C. $\\dfrac{6}{8}$ ","D. $\\dfrac{8}{2}$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span><br\/> T\u1eed s\u1ed1 c\u1ee7a ph\u00e2n s\u1ed1 c\u1ea7n t\u00ecm ch\u00ednh l\u00e0 s\u1ed1 \u00f4 \u0111\u01b0\u1ee3c t\u00f4 m\u00e0u <br\/> M\u1eabu s\u1ed1 c\u1ee7a ph\u00e2n s\u1ed1 \u0111\u00f3 ch\u00ednh l\u00e0 s\u1ed1 ph\u1ea7n \u0111\u01b0\u1ee3c chia ra <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/> V\u00ec c\u00f3 2 \u00f4 \u0111\u01b0\u1ee3c t\u00f4 m\u00e0u n\u00ean t\u1eed s\u1ed1 l\u00e0 2 <br\/> H\u00ecnh ng\u0169 gi\u00e1c tr\u00ean \u0111\u01b0\u1ee3c chia ra 10 ph\u1ea7n b\u1eb1ng nhau n\u00ean m\u1eabu s\u1ed1 l\u00e0 10 <br\/> V\u1eady h\u00ecnh v\u1ebd tr\u00ean bi\u1ec3u di\u1ec5n ph\u00e2n s\u1ed1: $\\dfrac{2}{10}$ <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A. $\\dfrac{2}{10}$ <\/span>","column":2}]}],"id_ques":1406},{"time":9,"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/bai29/lv1/img\/4.jpg' \/><\/center> <br\/> Trong c\u00e1c c\u00e1ch vi\u1ebft sau c\u00e1ch vi\u1ebft n\u00e0o cho ta ph\u00e2n s\u1ed1?","select":["A. $\\dfrac{9,5}{11,5}$","B. $\\dfrac{-8}{0}$","C. $\\dfrac{7}{1}$ ","D. $\\dfrac{6}{0}$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span><br\/> $\\dfrac{a}{b}$ \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t ph\u00e2n s\u1ed1 v\u1edbi a, b $\\in \\mathbb{Z}, b \\neq 0$ <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> $\\dfrac{9,5}{11,5}$ c\u00f3 9,5 v\u00e0 11,5 $\\notin \\mathbb{Z}$ n\u00ean $\\dfrac{9,5}{11,5}$ kh\u00f4ng ph\u1ea3i ph\u00e2n s\u1ed1 <br\/> $\\dfrac{-8}{0}$ c\u00f3 m\u1eabu s\u1ed1 b\u1eb1ng kh\u00f4ng n\u00ean $\\dfrac{-8}{0}$ kh\u00f4ng ph\u1ea3i ph\u00e2n s\u1ed1 <br\/> $\\dfrac{7}{1}$ c\u00f3 7 v\u00e0 1 $\\in \\mathbb{Z}$ v\u00e0 m\u1eabu s\u1ed1 kh\u00e1c 0 n\u00ean $\\dfrac{7}{1}$ l\u00e0 ph\u00e2n s\u1ed1 <br\/> $\\dfrac{6}{0}$ c\u00f3 m\u1eabu s\u1ed1 b\u1eb1ng 0 n\u00ean $\\dfrac{6}{0}$ kh\u00f4ng ph\u1ea3i ph\u00e2n s\u1ed1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C. $\\dfrac{7}{1}$ <\/span>","column":2}]}],"id_ques":1407},{"time":9,"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/bai29/lv1/img\/4.jpg' \/><\/center> <br\/> Trong c\u00e1c c\u00e1ch vi\u1ebft sau c\u00e1ch vi\u1ebft n\u00e0o cho ta ph\u00e2n s\u1ed1?","select":["A. $\\dfrac{-4,1}{6}$","B. $\\dfrac{3}{-2}$","C. $\\dfrac{-1}{0}$ ","D. $\\dfrac{2,1}{-4}$"],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span><br\/> $\\dfrac{a}{b}$ \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t ph\u00e2n s\u1ed1 v\u1edbi a, b $\\in \\mathbb{Z}, b \\neq 0$ <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> $\\dfrac{-4,1}{6}$ c\u00f3 $-4,1$ $\\notin \\mathbb{Z}$ n\u00ean $\\dfrac{-4,1}{6}$ kh\u00f4ng ph\u1ea3i ph\u00e2n s\u1ed1 <br\/> $\\dfrac{3}{-2}$ c\u00f3 $3$ v\u00e0 $-2$ $\\in \\mathbb{Z}$ v\u00e0 m\u1eabu s\u1ed1 kh\u00e1c 0 n\u00ean $\\dfrac{3}{-2}$ l\u00e0 ph\u00e2n s\u1ed1 <br\/> $\\dfrac{-1}{0}$ m\u1eabu s\u1ed1 b\u1eb1ng 0 n\u00ean $\\dfrac{-1}{0}$ kh\u00f4ng ph\u1ea3i ph\u00e2n s\u1ed1 <br\/> $\\dfrac{2,1}{-4}$ c\u00f3 2,1 $\\notin \\mathbb{Z}$ n\u00ean $\\dfrac{2,1}{-4}$ kh\u00f4ng ph\u1ea3i ph\u00e2n s\u1ed1 <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. $\\dfrac{3}{-2}$ <\/span>","column":2}]}],"id_ques":1408},{"time":9,"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/bai29/lv1/img\/12.jpg' \/><\/center> <br\/> C\u00f3 b\u1ea1n n\u00f3i ph\u00e2n s\u1ed1 $\\dfrac{2}{5}$ b\u1eb1ng ph\u00e2n s\u1ed1 $\\dfrac{6}{15}$ <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m ph\u00e2n s\u1ed1 b\u1eb1ng nhau: Hai ph\u00e2n s\u1ed1 $\\dfrac{a}{b}$ v\u00e0 $\\dfrac{c}{d}$ g\u1ecdi l\u00e0 b\u1eb1ng nhau n\u1ebfu a . d = b . c","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span><br\/> So s\u00e1nh t\u00edch 2 . 15 v\u00e0 5 . 6 <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> X\u00e9t t\u00edch: 2 . 15 = 30 <br\/> 5 . 6 = 30 <br\/> V\u00ec 30 = 30 n\u00ean 2 . 15 = 5 . 6 <br\/> N\u00ean $\\dfrac{2}{5} = \\dfrac{6}{15}$ <br\/> <span class='basic_pink'> V\u1eady kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0: \u0110\u00daNG <\/span>","column":2}]}],"id_ques":1409},{"time":9,"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/bai29/lv1/img\/12.jpg' \/><\/center> <br\/> C\u00f3 b\u1ea1n n\u00f3i ph\u00e2n s\u1ed1 $\\dfrac{1}{3}$ b\u1eb1ng ph\u00e2n s\u1ed1 $\\dfrac{3}{8}$ <b> \u0110\u00daNG <\/b> hay <b> SAI <\/b>?","select":["A. \u0110\u00daNG","B. SAI"],"hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m ph\u00e2n s\u1ed1 b\u1eb1ng nhau: Hai ph\u00e2n s\u1ed1 $\\dfrac{a}{b}$ v\u00e0 $\\dfrac{c}{d}$ g\u1ecdi l\u00e0 b\u1eb1ng nhau n\u1ebfu a . d = b . c","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span><br\/> So s\u00e1nh t\u00edch 1 . 8 v\u00e0 3 . 3 <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> X\u00e9t t\u00edch: 1 . 8 = 8 <br\/> 3 . 3 = 9 <br\/> V\u00ec 8 $\\neq$ 9 n\u00ean 1 . 8 $\\neq$ 3 . 3 <br\/> N\u00ean $\\dfrac{1}{3} \\neq \\dfrac{3}{8}$ <br\/> <span class='basic_pink'> V\u1eady kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0: SAI <\/span>","column":2}]}],"id_ques":1410},{"time":9,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["4"]]],"list":[{"point":5,"width":50,"type_input":"","ques":"T\u00ecm s\u1ed1 nguy\u00ean y bi\u1ebft <br\/> $\\dfrac{y}{5} = \\dfrac{16}{20}$ <br\/> V\u1eady y = _input_","hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m ph\u00e2n s\u1ed1 b\u1eb1ng nhau","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m ph\u00e2n s\u1ed1 b\u1eb1ng nhau <br\/> Ph\u00e2n s\u1ed1 $\\dfrac{y}{5} = \\dfrac{16}{20}$ khi y . 20 = 5 . 16 <br\/> T\u1eeb \u0111\u00f3 ta t\u00ecm \u0111\u01b0\u1ee3c y <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: <br\/> $\\begin{align*} \\dfrac{y}{5} &= \\dfrac{16}{20} \\\\ y . 20 &= 5 . 16 \\\\ y . 20 &= 80 \\\\ y &= 80 : 20 \\\\ y &= 4 \\end{align*}$ <br\/> <span class='basic_pink'>V\u1eady y = 4 <\/span> "}]}],"id_ques":1411},{"time":9,"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":50,"type_input":"","ques":"T\u00ecm s\u1ed1 nguy\u00ean y bi\u1ebft <br\/> $\\dfrac{y}{10} = \\dfrac{42}{60}$ <br\/> V\u1eady y = _input_","hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m ph\u00e2n s\u1ed1 b\u1eb1ng nhau","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m ph\u00e2n s\u1ed1 b\u1eb1ng nhau <br\/> Ph\u00e2n s\u1ed1 $\\dfrac{y}{10} = \\dfrac{42}{60}$ khi y . 60 = 42 . 10 <br\/> T\u1eeb \u0111\u00f3 ta t\u00ecm \u0111\u01b0\u1ee3c y <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: <br\/> $\\begin{align*} \\dfrac{y}{10} &= \\dfrac{42}{60} \\\\ y . 60 &= 42 . 10 \\\\ y . 60 &= 420 \\\\ y &= 420 : 60 \\\\ y &= 7 \\end{align*}$ <br\/> <span class='basic_pink'>V\u1eady y = 7 <\/span> "}]}],"id_ques":1412},{"time":9,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["4"]]],"list":[{"point":5,"width":50,"type_input":"","ques":"H\u00e3y \u0111i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o \u00f4 tr\u1ed1ng <br\/> $\\dfrac{1}{8} = \\dfrac{\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}}{32}$","hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m ph\u00e2n s\u1ed1 b\u1eb1ng nhau","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> G\u1ecdi s\u1ed1 c\u1ea7n t\u00ecm l\u00e0 a <br\/> X\u00e9t t\u00edch: 1 . 32 = a . 8 <br\/> T\u1eeb \u0111\u00f3 t\u00ednh \u0111\u01b0\u1ee3c a <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> G\u1ecdi s\u1ed1 c\u1ea7n t\u00ecm l\u00e0 a <br\/> V\u00ec $\\dfrac{1}{8} = \\dfrac{a}{32}$ n\u00ean 1 . 32 = 8 . a <br\/> V\u00ec v\u1eady a = 1 . 32 : 8 = 4 <br\/> <span class='basic_pink'>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 4 <\/span> "}]}],"id_ques":1413},{"time":9,"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":50,"type_input":"","ques":"H\u00e3y \u0111i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o \u00f4 tr\u1ed1ng <br\/> $\\dfrac{9}{21} = \\dfrac{3}{\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}}$","hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m ph\u00e2n s\u1ed1 b\u1eb1ng nhau","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> G\u1ecdi s\u1ed1 c\u1ea7n t\u00ecm l\u00e0 a <br\/> X\u00e9t t\u00edch: 9 . a = 21 . 3 <br\/> T\u1eeb \u0111\u00f3 t\u00ednh \u0111\u01b0\u1ee3c a <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> G\u1ecdi s\u1ed1 c\u1ea7n t\u00ecm l\u00e0 a <br\/> V\u00ec $\\dfrac{9}{21} = \\dfrac{3}{a}$ n\u00ean 9 . a = 21 . 3 <br\/> V\u00ec v\u1eady a = 21 . 3 : 9 = 7 <br\/> <span class='basic_pink'>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 7 <\/span> "}]}],"id_ques":1414},{"time":9,"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/bai29/lv1/img\/13.jpg' \/><\/center> <br\/> Cho A = {-5; 0; 7}. H\u00e3y ch\u1ecdn ph\u00e2n s\u1ed1 c\u00f3 t\u1eed s\u1ed1 v\u00e0 m\u1eabu s\u1ed1 thu\u1ed9c t\u1eadp h\u1ee3p A trong \u0111\u00f3 t\u1eed s\u1ed1 kh\u00e1c m\u1eabu s\u1ed1.","select":["A. $\\dfrac{-5}{7}$","B. $\\dfrac{-7}{-5}$","C. $\\dfrac{4}{7}$ ","D. $\\dfrac{-5}{-5}$"],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> X\u00e9t c\u00e1c ph\u00e2n s\u1ed1 $\\dfrac{-5}{7}; \\dfrac{-7}{5}; \\dfrac{4}{7}; \\dfrac{-5}{-5}$ <br\/> Ph\u00e2n s\u1ed1 $\\dfrac{-5}{7}$ c\u00f3 -5 v\u00e0 7 $\\in$ A v\u00e0 t\u1eed s\u1ed1 kh\u00e1c m\u1eabu s\u1ed1 <b> (th\u1ecfa m\u00e3n) <\/b> <br\/> Ph\u00e2n s\u1ed1 $\\dfrac{-7}{-5}$ c\u00f3 -7 $\\notin$ A <b> (lo\u1ea1i) <\/b> <br\/> Ph\u00e2n s\u1ed1 $\\dfrac{4}{7}$ c\u00f3 4 $\\notin$ A <b> (lo\u1ea1i) <\/b> <br\/> Ph\u00e2n s\u1ed1 $\\dfrac{-5}{-5}$ c\u00f3 -5 $\\in$ A nh\u01b0ng t\u1eed s\u1ed1 b\u1eb1ng m\u1eabu s\u1ed1 <b> (lo\u1ea1i) <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A. $\\dfrac{-5}{7}$ <\/span>","column":2}]}],"id_ques":1415},{"time":9,"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/bai29/lv1/img\/13.jpg' \/><\/center> <br\/> Cho M = {-2; -1; 4}. H\u00e3y ch\u1ecdn ph\u00e2n s\u1ed1 c\u00f3 t\u1eed s\u1ed1 v\u00e0 m\u1eabu s\u1ed1 thu\u1ed9c t\u1eadp h\u1ee3p M trong \u0111\u00f3 t\u1eed s\u1ed1 kh\u00e1c m\u1eabu s\u1ed1.","select":["A. $\\dfrac{-2}{1}$","B. $\\dfrac{-1}{-4}$","C. $\\dfrac{-3}{4}$ ","D. $\\dfrac{-2}{4}$"],"hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> X\u00e9t c\u00e1c ph\u00e2n s\u1ed1 $\\dfrac{-2}{1}; \\dfrac{-1}{-4}; \\dfrac{-3}{4}; \\dfrac{-2}{4}$ <br\/> Ph\u00e2n s\u1ed1 $\\dfrac{-2}{1}$ c\u00f3 1 $\\notin$ M <b> (lo\u1ea1i) <\/b> <br\/> Ph\u00e2n s\u1ed1 $\\dfrac{-1}{-4}$ c\u00f3 -4 $\\notin$ M <b> (lo\u1ea1i) <\/b> <br\/> Ph\u00e2n s\u1ed1 $\\dfrac{-3}{4}$ c\u00f3 -3 v\u00e0 4 $\\notin$ M <b> (lo\u1ea1i) <\/b> <br\/> Ph\u00e2n s\u1ed1 $\\dfrac{-2}{4}$ c\u00f3 -2; 4 $\\in$ M v\u00e0 t\u1eed s\u1ed1 kh\u00e1c m\u1eabu s\u1ed1 <b> (th\u1ecfa m\u00e3n) <\/b> <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: D. $\\dfrac{-2}{4}$ <\/span>","column":2}]}],"id_ques":1416},{"time":9,"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/bai29/lv1/img\/10.jpg' \/><\/center> <br\/> Ph\u00e2n s\u1ed1 b\u1eb1ng ph\u00e2n s\u1ed1 $\\dfrac{-12}{8}$ l\u00e0:","select":["A. $\\dfrac{12}{8}$","B. $\\dfrac{-6}{-4}$","C. $\\dfrac{-6}{4}$ ","D. $\\dfrac{-12}{-8}$"],"hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m ph\u00e2n s\u1ed1 b\u1eb1ng nhau","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> +) X\u00e9t ph\u00e2n s\u1ed1: $\\dfrac{12}{8}$ v\u00e0 $\\dfrac{-12}{8}$ <br\/> C\u00f3 -12 . 8 = -96 v\u00e0 8 . 12 = 96 <br\/> V\u00ec -96 $\\neq$ 96 n\u00ean $\\dfrac{12}{8} \\neq \\dfrac{-12}{8}$ <br\/> +) X\u00e9t ph\u00e2n s\u1ed1 $\\dfrac{-6}{-4}$ v\u00e0 $\\dfrac{-12}{8}$ <br\/> C\u00f3: -12 . (-4) = 48 v\u00e0 8 . (-6) = -48 <br\/> V\u00ec 48 $\\neq$ -48 n\u00ean $\\dfrac{-6}{-4} \\neq \\dfrac{-12}{8}$ <br\/> +) X\u00e9t ph\u00e2n s\u1ed1 $\\dfrac{-6}{4}$ v\u00e0 $\\dfrac{-12}{8}$ <br\/> C\u00f3: (-12) . 4 = -48 v\u00e0 8 . (-6) = -48 <br\/> V\u00ec -48 = -48 n\u00ean $\\dfrac{-6}{4} = \\dfrac{-12}{8}$ <br\/> +) X\u00e9t ph\u00e2n s\u1ed1 $\\dfrac{-12}{-8}$ v\u00e0 $\\dfrac{-12}{8}$ <br\/> C\u00f3: -12 . (-8) = 96 v\u00e0 8 . (-12) = -96 <br\/> V\u00ec 96 $\\neq$ -96 n\u00ean $\\dfrac{-12}{8} \\neq \\dfrac{-12}{-8}$ <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C. $\\dfrac{-6}{4}$ <\/span>","column":2}]}],"id_ques":1417},{"time":9,"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/bai29/lv1/img\/10.jpg' \/><\/center> <br\/> Ph\u00e2n s\u1ed1 b\u1eb1ng ph\u00e2n s\u1ed1 $\\dfrac{-1}{2}$ l\u00e0:","select":["A. $\\dfrac{-1}{-2}$","B. $\\dfrac{1}{-2}$","C. $\\dfrac{-3}{-6}$ ","D. $\\dfrac{5}{6}$"],"hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m ph\u00e2n s\u1ed1 b\u1eb1ng nhau","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> +) X\u00e9t ph\u00e2n s\u1ed1: $\\dfrac{-1}{-2}$ v\u00e0 $\\dfrac{-1}{2}$ <br\/> C\u00f3 -1 . 2 = -2 v\u00e0 -2 . (-1) = 2 <br\/> V\u00ec -2 $\\neq$ 2 n\u00ean $\\dfrac{-1}{-2} \\neq \\dfrac{-1}{2}$ <br\/> +) X\u00e9t ph\u00e2n s\u1ed1 $\\dfrac{1}{-2}$ v\u00e0 $\\dfrac{-1}{2}$ <br\/> C\u00f3: 1 . 2 = 2 v\u00e0 -2 . (-1) = 2 <br\/> V\u00ec 2 = 2 n\u00ean $\\dfrac{-1}{2} = \\dfrac{-1}{-2}$ <br\/> +) X\u00e9t ph\u00e2n s\u1ed1 $\\dfrac{-3}{-6}$ v\u00e0 $\\dfrac{-1}{2}$ <br\/> C\u00f3: -3 . 2 = -6 v\u00e0 -6 . (-1) = 6 <br\/> V\u00ec $6 \\neq -6$ n\u00ean $\\dfrac{-1}{2} = \\dfrac{-3}{-6}$ <br\/> +) X\u00e9t ph\u00e2n s\u1ed1 $\\dfrac{-1}{2}$ v\u00e0 $\\dfrac{5}{6}$ <br\/> C\u00f3: -1 . 6 = -6 v\u00e0 2 . 5 = 10 <br\/> V\u00ec -6 $\\neq$ 10 n\u00ean $\\dfrac{-1}{2} \\neq \\dfrac{5}{6}$ <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: B. $\\dfrac{1}{-2}$ <\/span>","column":2}]}],"id_ques":1418},{"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":[[["1"],["4"]]],"list":[{"point":5,"width":50,"type_input":"","input_hint":["frac"],"ques":"Vi\u1ebft 15 ph\u00fat d\u01b0\u1edbi d\u1ea1ng ph\u00e2n s\u1ed1 t\u1ed1i gi\u1ea3n v\u1edbi \u0111\u01a1n v\u1ecb l\u00e0 gi\u1edd. <br\/> \u0110\u00e1p \u00e1n l\u00e0: <div class=\"frac123\"><div class=\"ts\">_input_<\/div><div class=\"ms\">_input_<\/div><\/div> gi\u1edd","hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> V\u00ec 1 gi\u1edd = 60 ph\u00fat <br\/> N\u00ean 15 ph\u00fat = $\\dfrac{15}{60}$ = $\\dfrac{1}{4}$ gi\u1edd."}]}],"id_ques":1419},{"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":[[["53"],["60"]]],"list":[{"point":5,"width":50,"ques":"Vi\u1ebft 53 ph\u00fat d\u01b0\u1edbi d\u1ea1ng ph\u00e2n s\u1ed1 v\u1edbi \u0111\u01a1n v\u1ecb l\u00e0 gi\u1edd. <br\/> \u0110\u00e1p \u00e1n l\u00e0: <div class=\"frac123\"><div class=\"ts\">_input_<\/div><div class=\"ms\">_input_<\/div><\/div>gi\u1edd","hint":"","explain":"<span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> V\u00ec 1 gi\u1edd = 60 ph\u00fat <br\/> N\u00ean 53 ph\u00fat = $\\dfrac{53}{60}$ gi\u1edd"}]}],"id_ques":1420}],"lesson":{"save":0,"level":1}}