{"common":{"save":0,"post_id":"6927","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2306","post_id":"6927","mon_id":"1159012","chapter_id":"1159019","question":"<p>Ch\u1ecdn c\u1eb7p ph&acirc;n s\u1ed1 c&oacute; c&ugrave;ng m\u1eabu s\u1ed1.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{3}{6}$<\/span> v&agrave; <span class=\"math-tex\">$\\dfrac{3}{8}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{4}{5}$<\/span> v&agrave; <span class=\"math-tex\">$\\dfrac{1}{5}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{2}{9}$<\/span> v&agrave; <span class=\"math-tex\">$\\dfrac{9}{2}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{0}$<\/span> v&agrave; <span class=\"math-tex\">$\\dfrac{10}{0}$<\/span>"],"correct":"2","level":"3","hint":"<p>M\u1eabu s\u1ed1 ph\u1ea3i l&agrave; s\u1ed1 t\u1ef1 nhi&ecirc;n kh&aacute;c 0.<\/p>","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{4}{5}$<\/span>&nbsp;v&agrave;&nbsp;<span class=\"math-tex\">$\\dfrac{1}{5}$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-01-28 04:07:37","option_type":"math","len":0},{"id":"2308","post_id":"6927","mon_id":"1159012","chapter_id":"1159019","question":"<p>Ch\u1ecdn c\u1eb7p ph&acirc;n s\u1ed1 c&oacute; c&ugrave;ng t\u1eed s\u1ed1.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{5}{10}$<\/span> v&agrave; <span class=\"math-tex\">$\\dfrac{5}{9}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{1}{4}$<\/span> v&agrave; <span class=\"math-tex\">$\\dfrac{3}{4}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{8}{9}$<\/span> v&agrave; <span class=\"math-tex\">$\\dfrac{9}{8}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{0}{8}$<\/span> v&agrave; <span class=\"math-tex\">$\\dfrac{3}{7}$<\/span>"],"correct":"1","level":"3","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{5}{10}$<\/span>&nbsp;v&agrave;&nbsp;<span class=\"math-tex\">$\\dfrac{5}{9}$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-01-28 04:09:33","option_type":"math","len":0},{"id":"2310","post_id":"6927","mon_id":"1159012","chapter_id":"1159019","question":"<p>T&igrave;m ph&acirc;n s\u1ed1&nbsp;th\u1ecfa m&atilde;n c&aacute;c \u0111i\u1ec1u ki\u1ec7n sau:<\/p><p>- T\u1eed s\u1ed1 l&agrave; s\u1ed1 t\u1ef1 nhi&ecirc;n l\u1edbn nh\u1ea5t c&oacute; m\u1ed9t&nbsp;ch\u1eef s\u1ed1.<\/p><p>- M\u1eabu s\u1ed1 l&agrave; s\u1ed1 t\u1ef1 nhi&ecirc;n l\u1edbn nh\u1ea5t c&oacute; hai ch\u1eef s\u1ed1.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{9}{10}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{1}{99}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{9}{99}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{10}{99}$<\/span>"],"correct":"3","level":"3","hint":"","answer":"<p>T\u1eed s\u1ed1 l&agrave; s\u1ed1 t\u1ef1 nhi&ecirc;n l\u1edbn nh\u1ea5t c&oacute; m\u1ed9t&nbsp;ch\u1eef s\u1ed1 n&ecirc;n t\u1eed s\u1ed1 l&agrave; 9.<\/p><p>M\u1eabu s\u1ed1 l&agrave; s\u1ed1 t\u1ef1 nhi&ecirc;n l\u1edbn nh\u1ea5t c&oacute; hai ch\u1eef s\u1ed1 n&ecirc;n m\u1eabu s\u1ed1 l&agrave; 99.<\/p><p>Do \u0111&oacute; ta \u0111\u01b0\u1ee3c ph&acirc;n s\u1ed1&nbsp;&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{9}{99}$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-01-28 04:13:40","option_type":"math","len":0}]}