{"common":{"save":0,"post_id":"5963","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1177","post_id":"5963","mon_id":"1158530","chapter_id":"1158711","question":"<p>Cách vi\u1ebft thành t\u1ed5ng nào sau \u0111ây là \u0111úng?<\/p><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/hoa-qua\/dua-hau.png\" \/><\/div>","options":["<strong>A.<\/strong> 8523 = 8000 + 500 + 20 + 3","<strong>B.<\/strong> 5609 = 5000 + 600 + 90","<strong>C.<\/strong> 2380 = 2000 + 300 + 8","<strong>D.<\/strong> 7044 = 7000 + 400 + 4"],"correct":"1","level":"3","hint":"","answer":"<p><strong>A.<\/strong> 8523 = 8000 + 500 + 20 + 3 (\u0111úng)<\/p><p><strong>B.<\/strong> 5609 = 500 + 600 + <span style=\"color:#e74c3c;\">90<\/span> (sai, 5609 = 5000 + 600 + 9)<\/p><p><strong>C.<\/strong> 2380 = 2000 + 300 + <span style=\"color:#e74c3c;\">8<\/span> (sai, 2380 = 2000 + 300 + 80)<\/p><p><strong>D.<\/strong> 7044 = 7000 + <span style=\"color:#e74c3c;\">400 <\/span>+ 4 (sai, 7044 = 7000 + 40 + 4)<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"> <strong>A.<\/strong> 8523 = 8000 + 500 + 20 + 3<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-12 02:02:20","option_type":"txt","len":2},{"id":"1178","post_id":"5963","mon_id":"1158530","chapter_id":"1158711","question":"<p>\u0110i\u1ec1n s\u1ed1 thích h\u1ee3p vào ch\u1ed7 tr\u1ed1ng<\/p><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/hoa-qua\/gio cam.png\" \/> <\/div><p><strong>60 709 =<\/strong> <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><strong> +<\/strong> <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> <strong>+<\/strong> <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/><\/p>","options":"","correct":["[\"60 000\",\"700\",\"9\"]"],"level":"3","hint":"","answer":"<p>Ta có 60 709 = <span style=\"color:#16a085;\">60 000<\/span> + <span style=\"color:#16a085;\">700 <\/span>+ 9<\/p><p>Các s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t là <strong><span style=\"color:#16a085;\"> 60 000<\/span><\/strong> ; <span style=\"color:#16a085;\"><strong>700 <\/strong><\/span>và <span style=\"color:#16a085;\"><strong>9<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"3","date":"2022-06-12 02:08:45"},{"id":"1181","post_id":"5963","mon_id":"1158530","chapter_id":"1158711","question":"<p>S\u1ed1 l\u1edbn nh\u1ea5t có b\u1ed1n ch\u1eef s\u1ed1 mà khi làm tròn \u0111\u1ebfn hàng nghìn thì \u0111\u01b0\u1ee3c s\u1ed1 1000 là s\u1ed1 nào?<\/p><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/hoa-qua\/f7.png\" \/><\/div>","options":["<strong>A.<\/strong> 1511","<strong>B.<\/strong> 1499","<strong>C.<\/strong> 999","<strong>D.<\/strong> 1999"],"correct":"2","level":"3","hint":"","answer":"<p>Vì hai s\u1ed1 1511 và 1999 khi làm tròn \u0111\u1ebfn hàng nghìn \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1ed1 2000 nên không ch\u1ecdn các \u0111áp án <strong>A<\/strong> và <strong>D<\/strong>.<\/p><p>Cá hai s\u1ed1 999 và s\u1ed1 1499 khi làm tròn \u0111\u1ebfn hàng nghìn \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1ed1 1000 nh\u01b0ng s\u1ed1 1499 l\u1edbn h\u01a1n nên ta ch\u1ecdn \u0111áp án <strong>B<\/strong>.<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"> <strong>B.<\/strong> 1499<\/span><span style=\"color:#16a085;\"><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"3","date":"2022-06-12 02:18:00","option_type":"txt","len":0}]}