Chú ý: Để đảm bảo quyền lợi và bảo vệ tài khoản của mình
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{"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 nào sau \u0111ây là \u0111a th\u1ee9c m\u1ed9t bi\u1ebfn?<\/p>","options":["<strong>A.<\/strong> x + y","<strong>B. <\/strong>3x²","<strong>C. <\/strong>x² + 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 là t\u1ed5ng c\u1ee7a nh\u1eefng \u0111\u01a1n th\u1ee9c có cùng m\u1ed9t bi\u1ebfn; m\u1ed7i \u0111\u01a1n th\u1ee9c trong t\u1ed5ng \u0111\u01b0\u1ee3c g\u1ecdi là m\u1ed9t h\u1ea1ng t\u1eed c\u1ee7a \u0111a th\u1ee9c \u0111ó.<\/p>","answer":"<p>\u0110a th\u1ee9c m\u1ed9t bi\u1ebfn là <\/p><p><span style=\"color:#16a085;\"><strong>B. <\/strong>3x² <\/span><\/p><p><span style=\"color:#16a085;\"><strong>C. <\/strong>x² + 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>Hãy li\u1ec7t kê các h\u1ea1ng t\u1eed c\u1ee7a \u0111a th\u1ee9c m\u1ed9t bi\u1ebfn A = <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 là t\u1ed5ng c\u1ee7a nh\u1eefng \u0111\u01a1n th\u1ee9c có cùng m\u1ed9t bi\u1ebfn; <span style=\"color:#2980b9;\">m\u1ed7i \u0111\u01a1n th\u1ee9c trong t\u1ed5ng \u0111\u01b0\u1ee3c g\u1ecdi là m\u1ed9t h\u1ea1ng t\u1eed c\u1ee7a \u0111a th\u1ee9c \u0111ó<\/span>.<\/p>","answer":"<p>Các h\u1ea1ng t\u1eed c\u1ee7a \u0111a th\u1ee9c m\u1ed9t bi\u1ebfn A = <span class=\"math-tex\">$2x^4 + \\dfrac{1}{3}x^3-x+1$<\/span> là <\/p><p><span style=\"color:#16a085;\"><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><\/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 nào sau \u0111ây không là \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 là <span style=\"color:#2980b9;\">t\u1ed5ng c\u1ee7a nh\u1eefng \u0111\u01a1n th\u1ee9c có cùng m\u1ed9t bi\u1ebfn<\/span>; m\u1ed7i \u0111\u01a1n th\u1ee9c trong t\u1ed5ng \u0111\u01b0\u1ee3c g\u1ecdi là m\u1ed9t h\u1ea1ng t\u1eed c\u1ee7a \u0111a th\u1ee9c \u0111ó.<\/p>","answer":"<p>Bi\u1ec3u th\u1ee9c không là \u0111a th\u1ee9c m\u1ed9t bi\u1ebfn : <span style=\"color:#16a085;\"><strong>B. <\/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}]}