{"common":{"save":0,"post_id":"6876","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2030","post_id":"6876","mon_id":"1159012","chapter_id":"1159015","question":"<p>Tìm s\u1ed1 trung bình c\u1ed9ng c\u1ee7a các s\u1ed1 <span style=\"color:#2980b9;\"><strong>80 <\/strong><\/span>và<span style=\"color:#2980b9;\"><strong> 150<\/strong><\/span><\/p>","options":["<strong>A.<\/strong> 112","<strong>B.<\/strong> 105","<strong>C.<\/strong> 125","<strong>D.<\/strong> 115"],"correct":"4","level":"1","hint":"<p>L\u1ea5y (80 + 150) : 2 <\/p>","answer":"<p>(80 + 150) : 2 = 115<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> 115<\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"131","test":"0","date":"2023-12-17 04:30:39","option_type":"txt","len":0},{"id":"2031","post_id":"6876","mon_id":"1159012","chapter_id":"1159015","question":"<p>Tìm s\u1ed1 trung bình c\u1ed9ng c\u1ee7a các s\u1ed1 <span style=\"color:#2980b9;\"><strong>50 ; 80 ; 20<\/strong><\/span><\/p>","options":["<strong>A.<\/strong> 55","<strong>B.<\/strong> 50","<strong>C.<\/strong> 75","<strong>D.<\/strong> 60"],"correct":"2","level":"1","hint":"<p>L\u1ea5y (50 + 80 + 20) : 3<\/p>","answer":"<p>(50 + 80 + 20) : 3 = 50<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 50<\/span><\/p>","type":"choose","extra_type":"sheep","time":"0","user_id":"131","test":"0","date":"2023-12-17 04:32:26","option_type":"txt","len":0},{"id":"2033","post_id":"6876","mon_id":"1159012","chapter_id":"1159015","question":"<p>Tìm s\u1ed1 trung bình c\u1ed9ng c\u1ee7a các s\u1ed1 <span style=\"color:#e67e22;\"><strong>13 ; 22 ; 19<\/strong><\/span><\/p>","options":["27","18","19","17"],"correct":"2","level":"1","hint":"","answer":"<p> (13 + 22 + 19) : 3<\/p><p>= 54 : 3<\/p><p>= 18<\/p><p>Ch\u1ecdn <strong><span style=\"color:#16a085;\">18<\/span><\/strong><\/p>","type":"choose","extra_type":"star","time":"0","user_id":"131","test":"0","date":"2023-12-17 04:34:08","option_type":"txt","len":0}]}