{"common":{"save":0,"post_id":"5807","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8471","post_id":"5807","mon_id":"1158532","chapter_id":"1158660","question":"<p>Bi\u1ec3u th\u1ee9c n&agrave;o sau \u0111&acirc;y l&agrave; \u0111a th\u1ee9c m\u1ed9t bi\u1ebfn?<\/p>","options":["<strong>A.<\/strong> x + y","<strong>B. <\/strong>3x&sup2;","<strong>C. <\/strong>x&sup2; + 1","<strong>D. <\/strong><span class=\"math-tex\">$\\dfrac{3}{y}$<\/span>"],"correct":"[\"2\",\"3\"]","level":"2","hint":"<p>\u0110a th\u1ee9c m\u1ed9t bi\u1ebfn l&agrave; t\u1ed5ng c\u1ee7a nh\u1eefng \u0111\u01a1n th\u1ee9c c&oacute; c&ugrave;ng m\u1ed9t bi\u1ebfn; m\u1ed7i \u0111\u01a1n th\u1ee9c trong t\u1ed5ng \u0111\u01b0\u1ee3c g\u1ecdi l&agrave; m\u1ed9t h\u1ea1ng t\u1eed c\u1ee7a \u0111a th\u1ee9c \u0111&oacute;.<\/p>","answer":"<p>\u0110a th\u1ee9c m\u1ed9t bi\u1ebfn l&agrave;&nbsp;<\/p><p><span style=\"color:#16a085;\"><strong>B.&nbsp;<\/strong>3x&sup2;&nbsp;<\/span><\/p><p><span style=\"color:#16a085;\"><strong>C.&nbsp;<\/strong>x&sup2; + 1<\/span><\/p>","type":"checkbox","extra_type":"classic-checkbox","time":"0","user_id":"131","test":"1","date":"2022-05-31 03:43:46","option_type":"math","len":0},{"id":"8473","post_id":"5807","mon_id":"1158532","chapter_id":"1158660","question":"<p>H&atilde;y li\u1ec7t k&ecirc; c&aacute;c h\u1ea1ng t\u1eed c\u1ee7a \u0111a th\u1ee9c m\u1ed9t bi\u1ebfn A =&nbsp;<span class=\"math-tex\">$2x^4 + \\dfrac{1}{3}x^3-x+1$<\/span><\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$2x^4$<\/span> ; <span class=\"math-tex\">$\\dfrac{1}{3}x^3$<\/span> ; <span class=\"math-tex\">$x$<\/span> ; <span class=\"math-tex\">$1$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$2x^4$<\/span> ; <span class=\"math-tex\">$\\dfrac{1}{3}x^3$<\/span> ; <span class=\"math-tex\">$-x$<\/span> ","<strong>C.<\/strong> <span class=\"math-tex\">$2x^4$<\/span> ; <span class=\"math-tex\">$x^3$<\/span> ; <span class=\"math-tex\">$-x$<\/span> ; <span class=\"math-tex\">$1$<\/span>","<strong>D. <\/strong><span class=\"math-tex\">$2x^4$<\/span> ; <span class=\"math-tex\">$\\dfrac{1}{3}x^3$<\/span> ; <span class=\"math-tex\">$-x$<\/span> ; <span class=\"math-tex\">$1$<\/span>"],"correct":"4","level":"2","hint":"<p>\u0110a th\u1ee9c m\u1ed9t bi\u1ebfn l&agrave; t\u1ed5ng c\u1ee7a nh\u1eefng \u0111\u01a1n th\u1ee9c c&oacute; c&ugrave;ng m\u1ed9t bi\u1ebfn; <span style=\"color:#2980b9;\">m\u1ed7i \u0111\u01a1n th\u1ee9c trong t\u1ed5ng \u0111\u01b0\u1ee3c g\u1ecdi l&agrave; m\u1ed9t h\u1ea1ng t\u1eed c\u1ee7a \u0111a th\u1ee9c \u0111&oacute;<\/span>.<\/p>","answer":"<p>C&aacute;c h\u1ea1ng t\u1eed c\u1ee7a \u0111a th\u1ee9c m\u1ed9t bi\u1ebfn A =&nbsp;<span class=\"math-tex\">$2x^4 + \\dfrac{1}{3}x^3-x+1$<\/span>&nbsp;l&agrave;&nbsp;<\/p><p><span style=\"color:#16a085;\"><strong>D.&nbsp;<\/strong><span class=\"math-tex\">$2x^4$<\/span>&nbsp;;&nbsp;<span class=\"math-tex\">$\\dfrac{1}{3}x^3$<\/span>&nbsp;;&nbsp;<span class=\"math-tex\">$-x$<\/span>&nbsp;;&nbsp;<span class=\"math-tex\">$1$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-05-31 03:47:57","option_type":"math","len":0},{"id":"8475","post_id":"5807","mon_id":"1158532","chapter_id":"1158660","question":"<p>Bi\u1ec3u th\u1ee9c n&agrave;o sau \u0111&acirc;y kh&ocirc;ng l&agrave; \u0111a th\u1ee9c m\u1ed9t bi\u1ebfn?<\/p>","options":["<strong>A. <\/strong><span class=\"math-tex\">$2x-3x^3+\\sqrt{5}x^7$<\/span>","<strong>B. <\/strong><span class=\"math-tex\">$2x-\\dfrac{1}{3}y+4$<\/span>","<strong>C. <\/strong><span class=\"math-tex\">$-2x^3-5x-7$<\/span>","<strong>D. <\/strong><span class=\"math-tex\">$\\dfrac{11}{4}-2x^4$<\/span>"],"correct":"2","level":"2","hint":"<p>\u0110a th\u1ee9c m\u1ed9t bi\u1ebfn l&agrave; <span style=\"color:#2980b9;\">t\u1ed5ng c\u1ee7a nh\u1eefng \u0111\u01a1n th\u1ee9c c&oacute; c&ugrave;ng m\u1ed9t bi\u1ebfn<\/span>; m\u1ed7i \u0111\u01a1n th\u1ee9c trong t\u1ed5ng \u0111\u01b0\u1ee3c g\u1ecdi l&agrave; m\u1ed9t h\u1ea1ng t\u1eed c\u1ee7a \u0111a th\u1ee9c \u0111&oacute;.<\/p>","answer":"<p>Bi\u1ec3u th\u1ee9c&nbsp;kh&ocirc;ng l&agrave; \u0111a th\u1ee9c m\u1ed9t bi\u1ebfn :&nbsp;&nbsp;<span style=\"color:#16a085;\"><strong>B.&nbsp;<\/strong><span class=\"math-tex\">$2x-\\dfrac{1}{3}y+4$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-05-31 03:51:56","option_type":"math","len":0}]}