{"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>Phân s\u1ed1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a <span class=\"math-tex\">$\\dfrac{8}{9}$<\/span> là <span class=\"frac123\"><span class=\"ts\"><input class=\"tim_x input_number\" type=\"text\" \/><\/span><span class=\"ms\"><input class=\"tim_x input_number\" type=\"text\" \/><\/span><\/span> .<\/p><p>Phân s\u1ed1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a <span class=\"math-tex\">$\\dfrac{13}{4}$<\/span> là <span class=\"frac123\"><span class=\"ts\"><input class=\"tim_x input_number\" type=\"text\" \/><\/span><span class=\"ms\"><input class=\"tim_x input_number\" type=\"text\" \/><\/span><\/span> .<\/p>","options":"","correct":["[\"9\",\"8\",\"4\",\"13\"]"],"level":"1","hint":"","answer":"<p>Phân s\u1ed1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a <span class=\"math-tex\">$\\dfrac{8}{9}$<\/span> là <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> .<\/p><p>Phân s\u1ed1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a <span class=\"math-tex\">$\\dfrac{13}{4}$<\/span> là <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>Các s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t là <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 phép tính <span class=\"math-tex\">$\\dfrac{5}{6}:\\dfrac{3}{7}$<\/span>. <\/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 phép chia hai phân s\u1ed1, ta l\u1ea5y phân s\u1ed1 th\u1ee9 nh\u1ea5t nhân v\u1edbi phân s\u1ed1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a phân 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 <span style=\"color:#16a085;\"><strong>D.<\/strong> <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>Tính r\u1ed3i rút g\u1ecdn <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 phép chia hai phân s\u1ed1, ta l\u1ea5y phân s\u1ed1 th\u1ee9 nh\u1ea5t nhân v\u1edbi phân s\u1ed1 \u0111\u1ea3o ng\u01b0\u1ee3c c\u1ee7a phân 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 <span style=\"color:#16a085;\"><strong>A.<\/strong> <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}]}