{"common":{"save":0,"post_id":"8388","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4350","post_id":"8388","mon_id":"1159414","chapter_id":"1159496","question":"<p>Tính 1000 dm³ – 475 dm³.<\/p>","options":["<strong>A.<\/strong> 525 dm³","<strong>B.<\/strong> 5,25 m³","<strong>C.<\/strong> 52,5 m³","<strong>D.<\/strong> 525 cm³"],"correct":"1","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> 525 dm³<\/span><\/p><p>Ta có: 1000 dm³ – 475 dm³ = 525 dm³.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-01 10:16:24","option_type":"txt","len":1},{"id":"4351","post_id":"8388","mon_id":"1159414","chapter_id":"1159496","question":"<p>1 m³ 42 dm³ = <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> dm³<\/p>","options":"","correct":["[\"1042\"]"],"level":"2","hint":"","answer":"<p>1 m³ 42 dm³ = 1000 dm³ + 42 dm³ = <span style=\"color:#16a085;\"><strong>1042 <\/strong><\/span>dm³.<\/p><p>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n là <span style=\"color:#16a085;\"><strong>1042<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2025-02-01 10:18:11"},{"id":"4353","post_id":"8388","mon_id":"1159414","chapter_id":"1159496","question":"<p>Tính 25 dm³ x 4 + 18 dm³<\/p>","options":["<strong>A.<\/strong> 118 cm³","<strong>B.<\/strong> 181 dm³","<strong>C.<\/strong> 118 dm³","<strong>D.<\/strong> 119 cm³"],"correct":"3","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 118 dm³<\/span><\/p><p>25 dm³ x 4 + 18 dm³<\/p><p>= 100 dm³ + 18 dm³<\/p><p>= 118 dm³<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-01 10:21:14","option_type":"txt","len":1}]}
