{"common":{"save":0,"post_id":"6943","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2475","post_id":"6943","mon_id":"1159012","chapter_id":"1159022","question":"<p>K\u1ebft qu\u1ea3&nbsp;c\u1ee7a ph&eacute;p t&iacute;nh&nbsp;<span class=\"math-tex\">$\\dfrac{1}{2}+\\dfrac{7}{4}$<\/span>.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{9}{4}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{8}{4}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{11}{4}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{8}{3}$<\/span>"],"correct":"1","level":"2","hint":"<p>Mu\u1ed1n c\u1ed9ng hai ph&acirc;n s\u1ed1 kh&aacute;c&nbsp;m\u1eabu s\u1ed1, ta quy \u0111\u1ed3ng&nbsp;m\u1eabu s\u1ed1 hai ph&acirc;n s\u1ed1 r\u1ed3i c\u1ed9ng hai ph&acirc;n s\u1ed1 \u0111&oacute;.&nbsp;<\/p>","answer":"<p><span class=\"math-tex\">$\\dfrac{1}{2}+\\dfrac{7}{4}=\\dfrac{2}{4}+\\dfrac{7}{4}=\\dfrac{2+7}{4}=\\dfrac{9}{4}$<\/span><\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{9}{4}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-07 02:53:50","option_type":"math","len":0},{"id":"2476","post_id":"6943","mon_id":"1159012","chapter_id":"1159022","question":"<p>K\u1ebft qu\u1ea3&nbsp;c\u1ee7a ph&eacute;p t&iacute;nh&nbsp;<span class=\"math-tex\">$\\dfrac{9}{14}+\\dfrac{3}{7}$<\/span>.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{13}{14}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{15}{14}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{12}{14}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{11}{14}$<\/span>"],"correct":"2","level":"2","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{9}{14}+\\dfrac{3}{7}=\\dfrac{9}{14}+\\dfrac{6}{14}=\\dfrac{9+6}{14}=\\dfrac{15}{14}$<\/span><\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{15}{14}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-07 02:56:53","option_type":"math","len":0},{"id":"2477","post_id":"6943","mon_id":"1159012","chapter_id":"1159022","question":"<p>K\u1ebft qu\u1ea3&nbsp;c\u1ee7a ph&eacute;p t&iacute;nh (sau khi r&uacute;t&nbsp; g\u1ecdn)&nbsp; <span class=\"math-tex\">$\\dfrac{1}{2}+\\dfrac{5}{6}$<\/span>&nbsp;l&agrave;:<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{4}{6}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{8}{3}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{5}{3}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{4}{3}$<\/span>"],"correct":"4","level":"2","hint":"<p>Mu\u1ed1n c\u1ed9ng hai ph&acirc;n s\u1ed1 c&ugrave;ng m\u1eabu s\u1ed1, ta c\u1ed9ng hai t\u1eed s\u1ed1 v\u1edbi nhau v&agrave; gi\u1eef nguy&ecirc;n m\u1eabu s\u1ed1.&nbsp;<\/p>","answer":"<p><span class=\"math-tex\">$\\dfrac{1}{2}+\\dfrac{5}{6}=\\dfrac{3}{6}+\\dfrac{5}{6}=\\dfrac{3+5}{6}=\\dfrac{8}{6}=\\dfrac{4}{3}$<\/span><\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{4}{3}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-07 03:00:02","option_type":"math","len":0}]}