{"common":{"save":0,"post_id":"7658","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1500","post_id":"7658","mon_id":"1159414","chapter_id":"1159448","question":"<p>Hoàng thành Th\u0103ng Long có di\u1ec7n tích kho\u1ea3ng 18 000 ha. Hoàng thành Th\u0103ng Long có di\u1ec7n tích kho\u1ea3ng:<\/p>","options":["<strong>A.<\/strong> 1,8 km²","<strong>B.<\/strong> 18 km²","<strong>C.<\/strong> 180 km²","<strong>D.<\/strong> 1800 km²"],"correct":"3","level":"1","hint":"<p>100 ha = 1 km²<\/p>","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 180 km².<\/span><\/p><p>18 000 ha = 180 km².<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-16 01:25:17","option_type":"txt","len":2},{"id":"1501","post_id":"7658","mon_id":"1159414","chapter_id":"1159448","question":"<p>Ch\u1ecdn s\u1ed1 \u0111o phù h\u1ee3p v\u1edbi di\u1ec7n tích c\u1ee7a phòng h\u1ecdc.<\/p>","options":["<strong>A.<\/strong> 45 cm²","<strong>B.<\/strong> 45 dm²","<strong>C.<\/strong> 45 m²","<strong>D.<\/strong> 45 km²"],"correct":"3","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 45 m².<\/span><\/p><p>S\u1ed1 \u0111o phù h\u1ee3p v\u1edbi di\u1ec7n tích c\u1ee7a phòng h\u1ecdc là 45 m².<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-16 01:27:03","option_type":"txt","len":1},{"id":"1503","post_id":"7658","mon_id":"1159414","chapter_id":"1159448","question":"<p>Ch\u1ecdn s\u1ed1 \u0111o phù h\u1ee3p v\u1edbi di\u1ec7n tích c\u1ee7a m\u1eb7t bàn h\u1ecdc.<\/p>","options":["<strong>A.<\/strong> 42 cm²","<strong>B.<\/strong> 42 dm²","<strong>C.<\/strong> 42 m²","<strong>D.<\/strong> 42 ha"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 42 dm².<\/span><\/p><p>S\u1ed1 \u0111o phù h\u1ee3p v\u1edbi di\u1ec7n tích c\u1ee7a m\u1eb7t bàn h\u1ecdc là 42 dm².<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-09-16 01:28:36","option_type":"txt","len":1}]}
