{"common":{"save":0,"post_id":"7812","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7555","post_id":"7812","mon_id":"1159278","chapter_id":"1159327","question":"<p>C\u0103n b\u1eadc ba c\u1ee7a –125 là:<\/p>","options":["<strong>A.<\/strong> 5","<strong>B.<\/strong> –5","<strong>C.<\/strong> <span class=\"math-tex\">$\\pm$<\/span>5","<strong>D.<\/strong> –25"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> –5.<\/span><\/p><p>C\u0103n b\u1eadc ba c\u1ee7a –125 là: –5.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-10-11 01:18:50","option_type":"math","len":0},{"id":"7556","post_id":"7812","mon_id":"1159278","chapter_id":"1159327","question":"<p>S\u1eed d\u1ee5ng máy tính c\u1ea7m tay, tính <span class=\"math-tex\">$\\sqrt[3]{14}$<\/span> và làm tròn \u0111\u1ebfn ch\u1eef s\u1ed1 th\u1eadp phân th\u1ee9 hai.<\/p>","options":["<strong>A.<\/strong> 2,40","<strong>B.<\/strong> 2,41","<strong>C.<\/strong> 2,42","<strong>D.<\/strong> 2,14"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 2,41.<\/span><\/p><p><span class=\"math-tex\">$\\sqrt[3]{14}\\approx2,41$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-10-11 01:21:48","option_type":"txt","len":0},{"id":"7566","post_id":"7812","mon_id":"1159278","chapter_id":"1159327","question":"<p>C\u0103n b\u1eadc ba c\u1ee7a s\u1ed1 th\u1ef1c a là s\u1ed1 th\u1ef1c x th\u1ecfa mãn: <\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\sqrt[3]{x}=a$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$x^3=\\sqrt[3]{a}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$x=a^3$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$x^3=a$<\/span>"],"correct":"4","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> <span class=\"math-tex\">$x^3=a$<\/span>.<\/span><\/p><p>C\u0103n b\u1eadc ba c\u1ee7a s\u1ed1 th\u1ef1c a là s\u1ed1 th\u1ef1c x th\u1ecfa mãn: <span class=\"math-tex\">$x^3=a$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-10-11 01:46:41","option_type":"math","len":0}]}
