{"common":{"save":0,"post_id":"9110","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5110","post_id":"9110","mon_id":"1159414","chapter_id":"1159500","question":"<p>An c&oacute; 10 vi&ecirc;n bi g\u1ed3m 3 vi&ecirc;n m&agrave;u \u0111\u1ecf v&agrave; 7 vi&ecirc;n m&agrave;u tr\u1eafng. T\u1ec9 s\u1ed1 gi\u1eefa s\u1ed1 vi&ecirc;n bi \u0111\u1ecf v&agrave; t\u1ed5ng s\u1ed1 vi&ecirc;n bi l&agrave;<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{3}{10}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{10}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{3}{7}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{3}$<\/span>"],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{3}{10}$<\/span>.<\/span><\/p><p>T\u1ec9 s\u1ed1 gi\u1eefa s\u1ed1 vi&ecirc;n bi \u0111\u1ecf v&agrave; t\u1ed5ng s\u1ed1 vi&ecirc;n bi l&agrave;&nbsp;<span class=\"math-tex\">$\\dfrac{3}{10}$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-30 14:45:39","option_type":"math","len":0},{"id":"5112","post_id":"9110","mon_id":"1159414","chapter_id":"1159500","question":"<p>L\u1edbp 5A c&oacute; 29 h\u1ecdc sinh g\u1ed3m 12 nam v&agrave; c&ograve;n l\u1ea1i l&agrave; n\u1eef. T\u1ec9 s\u1ed1 gi\u1eefa s\u1ed1 h\u1ecdc sinh nam v&agrave; s\u1ed1 h\u1ecdc sinh n\u1eef l&agrave;<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{17}{12}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{12}{17}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{12}{29}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{17}{29}$<\/span>"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{12}{17}$<\/span>.<\/span><\/p><p>S\u1ed1 h\u1ecdc sinh n\u1eef l&agrave; 29&nbsp;&ndash; 12 = 17 (h\u1ecdc sinh).<\/p><p>T\u1ec9 s\u1ed1 gi\u1eefa s\u1ed1 h\u1ecdc sinh nam v&agrave; s\u1ed1 h\u1ecdc sinh n\u1eef l&agrave;&nbsp;<span class=\"math-tex\">$\\dfrac{12}{17}$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-04-30 14:48:45","option_type":"math","len":0},{"id":"5114","post_id":"9110","mon_id":"1159414","chapter_id":"1159500","question":"<p><span class=\"math-tex\">$\\dfrac{49}{100}$<\/span>&nbsp;=&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;%<\/p><p><span class=\"math-tex\">$\\dfrac{51}{100}$<\/span>&nbsp;=&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;%<\/p>","options":"","correct":["[\"49\",\"51\"]"],"level":"1","hint":"","answer":"<p>C&aacute;c s\u1ed1 c\u1ea7n \u0111i\u1ec1n t\u1eeb tr&ecirc;n xu\u1ed1ng d\u01b0\u1edbi l\u1ea7n l\u01b0\u1ee3t&nbsp;l&agrave; <span style=\"color:#16a085;\"><strong>49<\/strong><\/span> v&agrave; <span style=\"color:#16a085;\"><strong>51<\/strong><\/span>.<\/p><p><span class=\"math-tex\">$\\dfrac{49}{100}$<\/span>&nbsp;= <span style=\"color:#16a085;\"><strong>49<\/strong><\/span>%.<\/p><p><span class=\"math-tex\">$\\dfrac{51}{100}$<\/span>&nbsp;= <span style=\"color:#16a085;\"><strong>51<\/strong><\/span>%.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2025-04-30 14:52:07"}]}