{"common":{"save":0,"post_id":"6612","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6494","post_id":"6612","mon_id":"1158921","chapter_id":"1158930","question":"<p>Bi\u1ec3u th\u1ee9c n&agrave;o sau \u0111&acirc;y <strong>kh&ocirc;ng ph\u1ea3i<\/strong> ph&acirc;n th\u1ee9c?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$x^2-2x$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\u200b\u200b\\dfrac{1}{x-2}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\sqrt{x}$<\/span>","<strong>D.<\/strong> 100"],"correct":"3","level":"1","hint":"","answer":"<p>Bi\u1ec3u th\u1ee9c kh&ocirc;ng ph\u1ea3i ph&acirc;n th\u1ee9c l&agrave;&nbsp;<span style=\"color:#16a085;\">&nbsp;<strong>C.<\/strong>&nbsp;<span class=\"math-tex\">$\\sqrt{x}$<\/span>&nbsp;.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-08-26 23:41:01","option_type":"math","len":0},{"id":"6495","post_id":"6612","mon_id":"1158921","chapter_id":"1158930","question":"<p>Bi\u1ec3u th\u1ee9c n&agrave;o sau \u0111&acirc;y <strong>kh&ocirc;ng ph\u1ea3i<\/strong> ph&acirc;n th\u1ee9c?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{2}{x^2}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$x+10$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{1}{3}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{2-x}{0}$<\/span>"],"correct":"4","level":"1","hint":"","answer":"<p>Bi\u1ec3u th\u1ee9c kh&ocirc;ng ph\u1ea3i ph&acirc;n th\u1ee9c l&agrave;&nbsp; &nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{2-x}{0}$<\/span>&nbsp;.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-08-26 23:42:48","option_type":"math","len":0},{"id":"6496","post_id":"6612","mon_id":"1158921","chapter_id":"1158930","question":"<p>R&uacute;t g\u1ecdn ph&acirc;n th\u1ee9c&nbsp;&nbsp;<span class=\"math-tex\">$\\dfrac{2024x}{x^2+x}$<\/span>&nbsp; ta \u0111\u01b0\u1ee3c<\/p>","options":["<strong>A.<\/strong> 2024","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{2024}{x+1}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{2024}{x}$<\/span>","<strong>D.<\/strong> x + 1"],"correct":"2","level":"1","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{2024x}{x^2+x}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{2024x}{x(x+1)}$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\dfrac{2024}{x+1}$<\/span>&nbsp;.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; &nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{2024}{x+1}$<\/span>&nbsp;.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-08-26 23:45:15","option_type":"math","len":0}]}