{"common":{"save":0,"post_id":"7738","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2058","post_id":"7738","mon_id":"1159414","chapter_id":"1159461","question":"<p>\u0110i\u1ec1n s\u1ed1 thích h\u1ee3p vào ch\u1ed7 ch\u1ea5m: 3 km 6 m = … dm<\/p>","options":["<strong>A.<\/strong> 30 006","<strong>B.<\/strong> 30 060","<strong>C.<\/strong> 3006","<strong>D.<\/strong> 30 600"],"correct":"2","level":"3","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 30 060<\/span><\/p><p>3 km 6 m = 30 000 dm + 60 dm = 30 060 dm<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-29 03:18:21","option_type":"txt","len":0},{"id":"2060","post_id":"7738","mon_id":"1159414","chapter_id":"1159461","question":"<p>\u0110i\u1ec1n s\u1ed1 thích h\u1ee3p vào ch\u1ed7 ch\u1ea5m: 23 m 7 dm = … cm<\/p>","options":["<strong>A.<\/strong> 2307","<strong>B.<\/strong> 237","<strong>C.<\/strong> 2370","<strong>D.<\/strong> 23 700"],"correct":"3","level":"3","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 2370<\/span><\/p><p>23 m 7 dm = 2300 cm + 70 cm = 2370 cm<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-29 03:19:46","option_type":"txt","len":0},{"id":"2062","post_id":"7738","mon_id":"1159414","chapter_id":"1159461","question":"<p>\u0110i\u1ec1n s\u1ed1 thích h\u1ee3p vào ch\u1ed7 ch\u1ea5m: 1,5 t\u1ea1 30 y\u1ebfn = … kg<\/p>","options":["<strong>A.<\/strong> 45","<strong>B.<\/strong> 450 ","<strong>C.<\/strong> 180 ","<strong>D.<\/strong> 31,5"],"correct":"2","level":"3","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 450<\/span><\/p><p>1,5 t\u1ea1 30 y\u1ebfn = 150 kg + 300 kg = 450 kg<\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"131","test":"0","date":"2024-09-29 03:21:33","option_type":"txt","len":0}]}