{"common":{"save":0,"post_id":"6838","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1695","post_id":"6838","mon_id":"1159012","chapter_id":"1159026","question":"<p>Tính<\/p><p>8560 + 1940 – 456<\/p>","options":["<strong>A.<\/strong> 10 054","<strong>B.<\/strong> 10 044","<strong>C.<\/strong> 10 043","<strong>D.<\/strong> 10 144"],"correct":"2","level":"2","hint":"","answer":"<p>8560 + 1940 – 456<\/p><p>= 10 500 – 456<\/p><p>= 10 044<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 10 044<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-11-29 02:14:33","option_type":"txt","len":0},{"id":"1697","post_id":"6838","mon_id":"1159012","chapter_id":"1159026","question":"<p>N\u1ed1i các phép tính có k\u1ebft qu\u1ea3 b\u1eb1ng nhau.<\/p>","options":[["45 530 + (4470 + 8690) = ","(5638 + 969) + 1031 = ","85 960 + 9900 – 5960 ="],["(85 960 – 5960) + 9900","(45 530 + 4470) + 8690","5638 + (969 + 1031)"],["(45 530 + 4470) + 8690","5638 + (969 + 1031)","(85 960 – 5960) + 9900"]],"correct":[2,0,1],"level":"2","hint":"","answer":"<p><span style=\"color:#16a085;\"><strong>45 530 + (4470 + 8690) = (45 530 + 4470) +8690<\/strong><\/span><\/p><p><span style=\"color:#16a085;\"><strong>(5638 + 969) + 1031 = 5638 + (969 + 1031)<\/strong><\/span><\/p><p><span style=\"color:#16a085;\"><strong>85 960 + 9900 – 5960 = (85 960 – 5960) + 9900<\/strong><\/span><\/p>","type":"matching","extra_type":"mat_txt","time":"0","user_id":"131","test":"0","date":"2023-11-29 02:20:13"},{"id":"1700","post_id":"6838","mon_id":"1159012","chapter_id":"1159026","question":"<p>Phép so sánh nào <strong>\u0111úng<\/strong>?<\/p>","options":["<strong>A.<\/strong> 10 000 + 60 500 > 70 500","<strong>B.<\/strong> 89 000 < 98 000 – 10 000","<strong>C.<\/strong> 6300 + 4700 = 10 000","<strong>D.<\/strong> 96 000 – 46 000 > 49 000"],"correct":"4","level":"2","hint":"","answer":"<p><strong>A.<\/strong> 10 000 + 60 500 > 70 500 <span style=\"color:#e74c3c;\">sai <\/span>vì 10 000 + 60 500 = 70 500 <\/p><p><strong>B.<\/strong> 89 000 < 98 000 – 10 000 <span style=\"color:#e74c3c;\">sai <\/span>vì 89 000 > 98 000 – 10 000 = 88 000<\/p><p><strong>C.<\/strong> 6300 + 4700 = 10 000 <span style=\"color:#e74c3c;\">sai <\/span>vì 6300 + 4700 = 11 000 > 10 000<\/p><p><strong>D.<\/strong> 96 000 – 46 000 > 49 000 <span style=\"color:#16a085;\">\u0111úng <\/span>vì 96 000 – 46 000 = 50 000 > 49 000<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> 96 000 – 46 000 > 49 000<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-11-29 02:25:33","option_type":"txt","len":2}]}
