{"common":{"save":0,"post_id":"6889","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2763","post_id":"6889","mon_id":"1159012","chapter_id":"1159027","question":"<p>K\u1ebft qu\u1ea3 c\u1ee7a ph&eacute;p t&iacute;nh&nbsp;<span class=\"math-tex\">$\\dfrac{12}{25}+\\dfrac{18}{25}$<\/span> l&agrave;:<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{5}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{6}{5}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{6}{25}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{31}{25}$<\/span>"],"correct":"2","level":"1","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{12}{25}+\\dfrac{18}{25}=\\dfrac{30}{25}=\\dfrac{6}{5}$<\/span><\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{6}{5}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-14 02:29:03","option_type":"math","len":0},{"id":"2764","post_id":"6889","mon_id":"1159012","chapter_id":"1159027","question":"<p>K\u1ebft qu\u1ea3 c\u1ee7a ph&eacute;p t&iacute;nh&nbsp;<span class=\"math-tex\">$\\dfrac{8}{15}\\times\\dfrac{25}{4}$<\/span> l&agrave;:<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{5}{3}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{6}{5}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{8}{3}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{10}{3}$<\/span>"],"correct":"4","level":"1","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{8}{15}\\times\\dfrac{25}{4}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{8\\times25}{15\\times4}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{2\\times5}{3\\times1}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{10}{3}$<\/span><\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{10}{3}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-14 02:32:04","option_type":"math","len":0},{"id":"2766","post_id":"6889","mon_id":"1159012","chapter_id":"1159027","question":"<p>K\u1ebft qu\u1ea3 c\u1ee7a ph&eacute;p t&iacute;nh&nbsp;<span class=\"math-tex\">$\\dfrac{11}{10}-1$<\/span> l&agrave;:<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{10}{11}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{3}{10}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{1}{10}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{1}{11}$<\/span>"],"correct":"3","level":"1","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{11}{10}-1$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{11}{10}-\\dfrac{1}{1}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{11}{10}-\\dfrac{10}{10}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{1}{10}$<\/span><\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{1}{10}$<\/span><\/span><\/p>","type":"choose","extra_type":"cloud","time":"0","user_id":"131","test":"0","date":"2024-02-14 02:34:25","option_type":"math","len":0}]}