{"common":{"save":0,"post_id":"6937","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2536","post_id":"6937","mon_id":"1159012","chapter_id":"1159022","question":"<p>So sánh <span class=\"math-tex\">$\\dfrac{1}{3}-\\dfrac{1}{6}$<\/span> <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/> <span class=\"math-tex\">$\\dfrac{4}{6}-\\dfrac{1}{2}$<\/span><\/p>","options":["<strong>><\/strong>","<strong><<\/strong>","<strong>=<\/strong>"],"correct":"3","level":"2","hint":"","answer":"<p> <span class=\"math-tex\">$\\dfrac{1}{3}-\\dfrac{1}{6}=\\dfrac{2}{6}-\\dfrac{1}{6}=\\dfrac{2-1}{6}=\\dfrac{1}{6}$<\/span><\/p><p> <span class=\"math-tex\">$\\dfrac{4}{6}-\\dfrac{1}{2}=\\dfrac{4}{6}-\\dfrac{3}{6}=\\dfrac{4-3}{6}=\\dfrac{1}{6}$<\/span><\/p><p>Do \u0111ó <span class=\"math-tex\">$\\dfrac{1}{3}-\\dfrac{1}{6}$<\/span> <strong><span style=\"color:#16a085;\">=<\/span><\/strong> <span class=\"math-tex\">$\\dfrac{4}{6}-\\dfrac{1}{2}$<\/span><\/p><p>Ch\u1ecdn qu\u1ea3 bóng ghi d\u1ea5u <span style=\"color:#16a085;\"><strong>=<\/strong><\/span>.<\/p>","type":"choose","extra_type":"balloon","time":"0","user_id":"131","test":"0","date":"2024-02-08 03:29:40","option_type":"txt","len":0},{"id":"2538","post_id":"6937","mon_id":"1159012","chapter_id":"1159022","question":"<p><span class=\"math-tex\">$\\dfrac{13}{7}-1$<\/span> = <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{6}{7}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{5}{7}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{4}{7}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{3}{7}$<\/span>"],"correct":"1","level":"2","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{13}{7}-1=\\dfrac{13}{7}-\\dfrac{7}{7}=\\dfrac{13-7}{7}=\\dfrac{6}{7}$<\/span><\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{6}{7}$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-08 03:32:08","option_type":"math","len":0},{"id":"2540","post_id":"6937","mon_id":"1159012","chapter_id":"1159022","question":"<p><span class=\"math-tex\">$1-\\dfrac{7}{9}$<\/span> = <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{1}{9}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{3}{9}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{4}{9}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{2}{9}$<\/span>"],"correct":"4","level":"2","hint":"","answer":"<p><span class=\"math-tex\">$1-\\dfrac{7}{9}=\\dfrac{9}{9}-\\dfrac{7}{9}=\\dfrac{9-7}{9}=\\dfrac{2}{9}$<\/span><\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{2}{9}$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-08 03:37:58","option_type":"math","len":0}]}