{"common":{"save":0,"post_id":"6874","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2073","post_id":"6874","mon_id":"1159012","chapter_id":"1159015","question":"<p>5690 – 1990 b\u1eb1ng kho\u1ea3ng m\u1ea5y nghìn?<\/p>","options":["<strong>A.<\/strong> 3000","<strong>B.<\/strong> 4000","<strong>C.<\/strong> 5000","<strong>D.<\/strong> 6000"],"correct":"2","level":"3","hint":"","answer":"<p>Làm tròn 5690 thành 6000, làm tròn 1990 thành 2000.<\/p><p>5690 – 1990 b\u1eb1ng kho\u1ea3ng 6000 – 2000 = 4000.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"> <strong>B.<\/strong> 4000.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-12-27 02:06:27","option_type":"txt","len":0},{"id":"2074","post_id":"6874","mon_id":"1159012","chapter_id":"1159015","question":"<p>9909 – 2706 b\u1eb1ng kho\u1ea3ng m\u1ea5y nghìn?<\/p>","options":["<strong>A.<\/strong> 3000","<strong>B.<\/strong> 7000","<strong>C.<\/strong> 9000","<strong>D.<\/strong> 5000"],"correct":"2","level":"3","hint":"","answer":"<p>Làm tròn 9909 thành 10000, làm tròn 2706 thành 3000.<\/p><p>9909 – 2706 b\u1eb1ng kho\u1ea3ng 10000 – 3000 = 7000.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"> <strong>B.<\/strong> 7000.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-12-27 02:08:15","option_type":"txt","len":0},{"id":"2076","post_id":"6874","mon_id":"1159012","chapter_id":"1159015","question":"<p>20090 – 10056 b\u1eb1ng kho\u1ea3ng m\u1ea5y ch\u1ee5c nghìn?<\/p>","options":["<strong>A.<\/strong> 30000","<strong>B.<\/strong> 20000","<strong>C.<\/strong> 10000","<strong>D.<\/strong> 40000"],"correct":"3","level":"3","hint":"","answer":"<p>Làm tròn 20090 thành 20000, làm tròn 10056 thành 10000.<\/p><p>20090 – 10056 b\u1eb1ng kho\u1ea3ng 20000 – 10000 = 10000.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 10000.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-12-27 02:10:59","option_type":"txt","len":0}]}
