{"common":{"save":0,"post_id":"8403","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4476","post_id":"8403","mon_id":"1159414","chapter_id":"1159496","question":"<p>12 dm³ 500 cm³ = <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/> dm³.<\/p>","options":["<strong>A.<\/strong> 12500","<strong>B. <\/strong>12,5","<strong>C. <\/strong>1250","<strong>D. <\/strong>125"],"correct":"2","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B. <\/strong>12,5.<\/span><\/p><p>12 dm³ 500 cm³ = 12 dm³ + 0,5 dm³ = 12,5 dm³.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-05 08:46:55","option_type":"txt","len":0},{"id":"4477","post_id":"8403","mon_id":"1159414","chapter_id":"1159496","question":"<p>1,2 m³ 45 dm³ = <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/> dm³.<\/p>","options":["<strong>A.<\/strong> 1245","<strong>B.<\/strong> 12,45","<strong>C.<\/strong> 1,245","<strong>D<\/strong>. 124,5"],"correct":"1","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> 1245.<\/span><\/p><p>1,2 m³ 45 dm³ = 1200 dm³ + 45 dm³ = 1245 dm³.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-05 08:50:38","option_type":"txt","len":0},{"id":"4478","post_id":"8403","mon_id":"1159414","chapter_id":"1159496","question":"<p>So sánh 4,5 dm³ <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/> 560 cm³.<\/p>","options":["<strong>A.<\/strong> >","<strong>B.<\/strong> <","<strong>C.<\/strong> ="],"correct":"1","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> >.<\/span><\/p><p>4,5 dm³ = 4500 cm³.<\/p><p>Vì 4500 cm³ > 560 cm³ nên 4,5 dm³ > 560 cm³.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-05 08:53:20","option_type":"txt","len":0}]}
