{"common":{"save":0,"post_id":"7799","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7439","post_id":"7799","mon_id":"1159278","chapter_id":"1159327","question":"<p>S\u1ed1 có c\u0103n b\u1eadc hai s\u1ed1 h\u1ecdc b\u1eb1ng 9 là:<\/p>","options":["<strong>A.<\/strong> 3","<strong>B.<\/strong> –3","<strong>C.<\/strong> –81","<strong>D.<\/strong> 81"],"correct":"4","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> 81.<\/span><\/p><p>S\u1ed1 có c\u0103n b\u1eadc hai s\u1ed1 h\u1ecdc b\u1eb1ng 9 là: 81.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-10-08 02:21:27","option_type":"txt","len":1},{"id":"7440","post_id":"7799","mon_id":"1159278","chapter_id":"1159327","question":"<p>C\u0103n b\u1eadc hai c\u1ee7a 5 là:<\/p>","options":["<strong>A. <\/strong>25 và –25","<strong>B.<\/strong> <span class=\"math-tex\">$\\sqrt{25}$<\/span> và <span class=\"math-tex\">$-\\sqrt{25}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\sqrt{25}$<\/span> và <span class=\"math-tex\">$\\sqrt{-25}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\sqrt{5}$<\/span> và <span class=\"math-tex\">$-\\sqrt{5}$<\/span>"],"correct":"4","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> <span class=\"math-tex\">$\\sqrt{5}$<\/span> và <span class=\"math-tex\">$-\\sqrt{5}$<\/span>.<\/span><\/p><p>C\u0103n b\u1eadc hai c\u1ee7a 5 là: <span class=\"math-tex\">$\\sqrt{5}$<\/span> và <span class=\"math-tex\">$-\\sqrt{5}$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-10-08 02:24:54","option_type":"math","len":0},{"id":"7441","post_id":"7799","mon_id":"1159278","chapter_id":"1159327","question":"<p>S\u1ed1 <span class=\"math-tex\">$-\\dfrac{6}{5}$<\/span> là c\u0103n b\u1eadc hai c\u1ee7a:<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$-\\dfrac{36}{25}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$1\\dfrac{1}{5}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{36}{25}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{6}{5}$<\/span>"],"correct":"3","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{36}{25}$<\/span>.<\/span><\/p><p>S\u1ed1 <span class=\"math-tex\">$-\\dfrac{6}{5}$<\/span> là c\u0103n b\u1eadc hai c\u1ee7a: <span class=\"math-tex\">$\\dfrac{36}{25}$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2024-10-08 02:26:53","option_type":"math","len":0}]}