{"common":{"save":0,"post_id":"6631","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6589","post_id":"6631","mon_id":"1158921","chapter_id":"1158933","question":"<p>Ph\u01b0\u01a1ng trình nào có nghi\u1ec7m là x = 1?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$3x+3=0$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$2-2x=0$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$3x+2=0$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$x-4=0$<\/span>"],"correct":"2","level":"2","hint":"","answer":"<p><strong>A.<\/strong> <span class=\"math-tex\">$3x+3=0$<\/span> có nghi\u1ec7m là <span class=\"math-tex\">$x=-1$<\/span>.<\/p><p><strong>B.<\/strong> <span class=\"math-tex\">$2-2x=0$<\/span> có nghi\u1ec7m là <span style=\"color:#16a085;\"><span class=\"math-tex\">$x=1$<\/span><\/span>.<\/p><p><strong>C.<\/strong> <span class=\"math-tex\">$3x+2=0$<\/span> có nghi\u1ec7m là <span class=\"math-tex\">$x=\\dfrac{-2}{3}$<\/span>.<\/p><p><strong>D.<\/strong> <span class=\"math-tex\">$x-4=0$<\/span> có nghi\u1ec7m là <span class=\"math-tex\">$x=4$<\/span>.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> <span class=\"math-tex\">$2-2x=0$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-08-29 11:51:48","option_type":"math","len":0},{"id":"6590","post_id":"6631","mon_id":"1158921","chapter_id":"1158933","question":"<p>Ph\u01b0\u01a1ng trình nào có nghi\u1ec7m là <span class=\"math-tex\">$x=-1$<\/span>?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$3x+3=0$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$2-2x=0$<\/span> ","<strong>C.<\/strong> <span class=\"math-tex\">$3x+2=0$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$x-4=0$<\/span>"],"correct":"1","level":"2","hint":"","answer":"<p><strong>A.<\/strong> <span class=\"math-tex\">$3x+3=0$<\/span> có nghi\u1ec7m là <span style=\"color:#16a085;\"><span class=\"math-tex\">$x=-1$<\/span><\/span>.<\/p><p><strong>B.<\/strong> <span class=\"math-tex\">$2-2x=0$<\/span> có nghi\u1ec7m là <span class=\"math-tex\">$x=1$<\/span>.<\/p><p><strong>C.<\/strong> <span class=\"math-tex\">$3x+2=0$<\/span> có nghi\u1ec7m là <span class=\"math-tex\">$x=\\dfrac{-2}{3}$<\/span>.<\/p><p><strong>D.<\/strong> <span class=\"math-tex\">$x-4=0$<\/span> có nghi\u1ec7m là <span class=\"math-tex\">$x=4$<\/span>.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> <span class=\"math-tex\">$3x+3=0$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-08-29 11:53:53","option_type":"math","len":0},{"id":"6591","post_id":"6631","mon_id":"1158921","chapter_id":"1158933","question":"<p>Ph\u01b0\u01a1ng trình nào có nghi\u1ec7m là <span class=\"math-tex\">$x =\\dfrac{2}{3}$<\/span>?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$4x+6=0$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$2x+4=0$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$3x-2=0$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$3x+2=0$<\/span>"],"correct":"3","level":"2","hint":"","answer":"<p><strong>A.<\/strong> <span class=\"math-tex\">$4x+6=0$<\/span> có nghi\u1ec7m là <span class=\"math-tex\">$x=\\dfrac{-3}{2}$<\/span>.<\/p><p><strong>B.<\/strong> <span class=\"math-tex\">$2x+4=0$<\/span> có nghi\u1ec7m là <span class=\"math-tex\">$x=-2$<\/span>.<\/p><p><strong>C.<\/strong> <span class=\"math-tex\">$3x-2=0$<\/span> có nghi\u1ec7m là <span style=\"color:#16a085;\"><span class=\"math-tex\">$x=\\dfrac{2}{3}$<\/span><\/span>.<\/p><p><strong>D.<\/strong> <span class=\"math-tex\">$3x+2=0$<\/span> có nghi\u1ec7m là <span class=\"math-tex\">$x=\\dfrac{-2}{3}$<\/span>.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> <span class=\"math-tex\">$3x-2=0$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-08-29 11:57:43","option_type":"math","len":0}]}