{"common":{"save":0,"post_id":"6547","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5830","post_id":"6547","mon_id":"1158921","chapter_id":"1158928","question":"<p>Ch\u1ecdn kh\u1eb3ng \u0111\u1ecbnh \u0111&uacute;ng.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$(A+B)^3=A^3+3AB+3AB^2+B^3$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$(A+B)^3=A^3+3A^2B+3AB^2+B^3$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$(A+B)^3=A^3+3AB+3AB^3+B^3$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$(A+B)^3=A^3+3A^2B+3AB+B^3$<\/span>"],"correct":"2","level":"1","hint":"","answer":"<p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; <span style=\"color:#16a085;\">&nbsp;<strong>B.<\/strong>&nbsp;<span class=\"math-tex\">$(A+B)^3=A^3+3A^2B+3AB^2+B^3$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-04 13:32:34","option_type":"math","len":0},{"id":"5831","post_id":"6547","mon_id":"1158921","chapter_id":"1158928","question":"<p>Ch\u1ecdn kh\u1eb3ng \u0111\u1ecbnh \u0111&uacute;ng.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$(A-B)^3=A^3-3A^2B+3AB^2-B^3$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$(A-B)^3=A^3-3A^2B+3AB^2+B^3$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$(A-B)^3=A^3+3A^2B-3AB^2+B^3$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$(A-B)^3=A^3+3A^2B+3AB^2-B^3$<\/span>"],"correct":"1","level":"1","hint":"","answer":"<p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; &nbsp;&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$(A-B)^3=A^3-3A^2B+3AB^2-B^3$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-04 13:34:10","option_type":"math","len":0},{"id":"5833","post_id":"6547","mon_id":"1158921","chapter_id":"1158928","question":"<p>Ch\u1ecdn kh\u1eb3ng \u0111\u1ecbnh <strong>sai<\/strong>.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$(A-B)^3=A^3-3A^2B+3AB^2-B^3$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$(A+B)^3=A^3+3A^2B+3AB^2+B^3$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$(A-B)^2=A^2-3A^2B+3AB^2-B^2$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$(A+B)^2=A^2+2AB+B^2$<\/span>"],"correct":"3","level":"1","hint":"","answer":"<p>Kh\u1eb3ng \u0111\u1ecbnh&nbsp;sai l&agrave;&nbsp;<span style=\"color:#16a085;\">&nbsp;<strong>C.<\/strong>&nbsp;<span class=\"math-tex\">$(A-B)^2=A^2-3A^2B+3AB^2-B^2$<\/span>&nbsp;.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-04 13:37:17","option_type":"math","len":0}]}