{"common":{"save":0,"post_id":"6921","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2574","post_id":"6921","mon_id":"1159012","chapter_id":"1159024","question":"<p>Ph&acirc;n s\u1ed1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a&nbsp;<span class=\"math-tex\">$\\dfrac{8}{9}$<\/span>&nbsp;l&agrave;&nbsp;<span class=\"frac123\"><span class=\"ts\">&lt;input class=\"tim_x input_number\" type=\"text\" \/&gt;&lt;\/span><span class=\"ms\">&lt;input class=\"tim_x input_number\" type=\"text\" \/&gt;&lt;\/span><\/span>&nbsp;.<\/p><p>Ph&acirc;n s\u1ed1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a&nbsp;<span class=\"math-tex\">$\\dfrac{13}{4}$<\/span>&nbsp;l&agrave;&nbsp;<span class=\"frac123\"><span class=\"ts\">&lt;input class=\"tim_x input_number\" type=\"text\" \/&gt;&lt;\/span><span class=\"ms\">&lt;input class=\"tim_x input_number\" type=\"text\" \/&gt;&lt;\/span><\/span> .<\/p>","options":"","correct":["[\"9\",\"8\",\"4\",\"13\"]"],"level":"1","hint":"","answer":"<p>Ph&acirc;n s\u1ed1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a&nbsp;<span class=\"math-tex\">$\\dfrac{8}{9}$<\/span>&nbsp;l&agrave;&nbsp;<span class=\"frac123\"><span class=\"ts\"><span style=\"color:#16a085;\"><strong>9<\/strong><\/span><\/span><span style=\"color:#16a085;\"><strong><span class=\"ms\">8<\/span><\/strong><\/span><\/span>&nbsp;.<\/p><p>Ph&acirc;n s\u1ed1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a&nbsp;<span class=\"math-tex\">$\\dfrac{13}{4}$<\/span>&nbsp;l&agrave;&nbsp;<span class=\"frac123\"><span class=\"ts\"><span style=\"color:#8e44ad;\"><strong>4<\/strong><\/span><\/span><span style=\"color:#8e44ad;\"><strong><span class=\"ms\">13<\/span><\/strong><\/span><\/span> .<\/p><p>C&aacute;c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l&agrave; <span style=\"color:#16a085;\"><strong>9 ; 8 ; 4 ; 13<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2024-02-11 02:51:37"},{"id":"2577","post_id":"6921","mon_id":"1159012","chapter_id":"1159024","question":"<p>K\u1ebft qu\u1ea3 c\u1ee7a ph&eacute;p t&iacute;nh&nbsp;<span class=\"math-tex\">$\\dfrac{5}{6}:\\dfrac{3}{7}$<\/span>.&nbsp;<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{36}{18}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{35}{17}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{15}{42}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{35}{18}$<\/span>"],"correct":"4","level":"1","hint":"<p>Mu\u1ed1n th\u1ef1c hi\u1ec7n ph&eacute;p chia hai ph&acirc;n s\u1ed1, ta l\u1ea5y ph&acirc;n s\u1ed1 th\u1ee9 nh\u1ea5t nh&acirc;n v\u1edbi ph&acirc;n s\u1ed1&nbsp;\u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a ph&acirc;n s\u1ed1 th\u1ee9 hai.<\/p>","answer":"<p><span class=\"math-tex\">$\\dfrac{5}{6}:\\dfrac{3}{7} = \\dfrac{5}{6}\\times \\dfrac{7}{3}=\\dfrac{5\\times 7}{6\\times 3}=\\dfrac{35}{18}$<\/span><\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{35}{18}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-11 02:57:39","option_type":"math","len":0},{"id":"2579","post_id":"6921","mon_id":"1159012","chapter_id":"1159024","question":"<p>T&iacute;nh r\u1ed3i r&uacute;t g\u1ecdn&nbsp;<span class=\"math-tex\">$\\dfrac{1}{6}:\\dfrac{2}{3}$<\/span>.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{1}{4}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{1}{12}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{11}{4}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{3}{4}$<\/span>"],"correct":"1","level":"1","hint":"<p>Mu\u1ed1n th\u1ef1c hi\u1ec7n ph&eacute;p chia hai ph&acirc;n s\u1ed1, ta l\u1ea5y ph&acirc;n s\u1ed1 th\u1ee9 nh\u1ea5t nh&acirc;n v\u1edbi ph&acirc;n s\u1ed1&nbsp;\u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a ph&acirc;n s\u1ed1 th\u1ee9 hai.<\/p>","answer":"<p><span class=\"math-tex\">$\\dfrac{1}{6}:\\dfrac{2}{3}=\\dfrac{1}{6}\\times\\dfrac{3}{2}=\\dfrac{1\\times 3}{6\\times 2}=\\dfrac{3}{12}=\\dfrac{1}{4}$<\/span><\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{1}{4}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-11 03:04:24","option_type":"math","len":0}]}