{"common":{"save":0,"post_id":"6796","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1412","post_id":"6796","mon_id":"1159012","chapter_id":"1159021","question":"<p>Hình nào d\u01b0\u1edbi \u0111ây có di\u1ec7n tích l\u1edbn nh\u1ea5t?<\/p>","options":["<strong>A.<\/strong> Hình vuông c\u1ea1nh 1 dm","<strong>B.<\/strong> Hình vuông c\u1ea1nh 9 cm","<strong>C.<\/strong> Hình vuông có di\u1ec7n tích 9000 mm²","<strong>D.<\/strong> Hình vuông có di\u1ec7n tích 400 cm²"],"correct":"4","level":"2","hint":"","answer":"<p><strong>A.<\/strong> Hình vuông c\u1ea1nh 1 dm có di\u1ec7n tích là 1 x 1 = 1 dm² = 100 cm²<\/p><p><strong>B.<\/strong> Hình vuông c\u1ea1nh 9 cm có di\u1ec7n tích là 9 x 9 = 81 cm²<\/p><p><strong>C.<\/strong> Hình vuông có di\u1ec7n tích 9000 mm² = 90 cm²<\/p><p><strong>D.<\/strong> Hình vuông có di\u1ec7n tích <span style=\"color:#16a085;\"><strong>400 cm²<\/strong><\/span><\/p><p>(400 > 100 > 90 > 81)<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> Hình vuông có di\u1ec7n tích 400 cm²<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-29 03:49:56","option_type":"txt","len":3},{"id":"1413","post_id":"6796","mon_id":"1159012","chapter_id":"1159021","question":"<p>Albert Einstein, sinh n\u0103m 1879 t\u1ea1i \u0110\u1ee9c, là m\u1ed9t trong nh\u1eefng nhà v\u1eadt lý v\u0129 \u0111\u1ea1i nh\u1ea5t m\u1ecdi th\u1eddi \u0111\u1ea1i. Ông qua \u0111\u1eddi vào n\u0103m 1955. H\u1ecfi n\u0103m sinh và n\u0103m m\u1ea5t c\u1ee7a ông thu\u1ed9c th\u1ebf k\u1ec9 m\u1ea5y?<\/p>","options":["<strong>A.<\/strong> N\u0103m sinh thu\u1ed9c th\u1ebf k\u1ec9 XIX, n\u0103m m\u1ea5t thu\u1ed9c th\u1ebf k\u1ec9 XX","<strong>B.<\/strong> N\u0103m sinh thu\u1ed9c th\u1ebf k\u1ec9 XX, n\u0103m m\u1ea5t thu\u1ed9c th\u1ebf k\u1ec9 XX","<strong>C.<\/strong> N\u0103m sinh thu\u1ed9c th\u1ebf k\u1ec9 XIX, n\u0103m m\u1ea5t thu\u1ed9c th\u1ebf k\u1ec9 XIX","<strong>D.<\/strong> N\u0103m sinh thu\u1ed9c th\u1ebf k\u1ec9 XVIII, n\u0103m m\u1ea5t thu\u1ed9c th\u1ebf k\u1ec9 XIX"],"correct":"1","level":"2","hint":"","answer":"<p>N\u0103m sinh 1879 thu\u1ed9c th\u1ebf k\u1ec9 XIX. N\u0103m m\u1ea5t 1955 thu\u1ed9c th\u1ebf k\u1ec9 XX.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> N\u0103m sinh thu\u1ed9c th\u1ebf k\u1ec9 XIX, n\u0103m m\u1ea5t thu\u1ed9c th\u1ebf k\u1ec9 XX<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-29 03:55:41","option_type":"txt","len":3},{"id":"1414","post_id":"6796","mon_id":"1159012","chapter_id":"1159021","question":"<p>M\u1ed7i bao táo n\u1eb7ng 25 kg. H\u1ecfi 8 bao táo n\u1eb7ng bao nhiêu t\u1ea1?<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hoa-qua\/tai-tao.png\" \/><\/div>","options":["<strong>A.<\/strong> 20 t\u1ea1","<strong>B.<\/strong> 200 kg","<strong>C.<\/strong> 2 t\u1ea1","<strong>D.<\/strong> 20 y\u1ebfn"],"correct":"3","level":"2","hint":"","answer":"<p>8 bao táo n\u1eb7ng là:<\/p><p>8 x 25 = 200 kg<\/p><p>\u0110\u1ed5i 200 kg = 2 t\u1ea1<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 2 t\u1ea1<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-10-29 03:59:43","option_type":"txt","len":0}]}
