{"common":{"save":0,"post_id":"5961","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1163","post_id":"5961","mon_id":"1158530","chapter_id":"1158711","question":"<p>So sánh hai s\u1ed1 <strong>9999 <\/strong>và <strong>99 999<\/strong>.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hoa-qua\/t\u00e1o.png\" \/><\/div>","options":["<strong>A. <\/strong>9999 > 99 999","<strong>B. <\/strong>9999 = 99 999","<strong>C.<\/strong> 9999 < 99 999"],"correct":"3","level":"1","hint":"<p>Trong hai s\u1ed1, s\u1ed1 nào có ít ch\u1eef s\u1ed1 h\u01a1n thì nh\u1ecf h\u01a1n.<\/p>","answer":"<p>Ta có: 9999 < 99 999 (vì 9999 có ít ch\u1eef s\u1ed1 h\u01a1n 99 999)<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>C.<\/strong> 9999 < 99 999<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-12 01:44:30","option_type":"txt","len":2},{"id":"1169","post_id":"5961","mon_id":"1158530","chapter_id":"1158711","question":"<p>M\u1ed9t con cá nhà táng có cân n\u1eb7ng là <strong>41 725<\/strong> kg. Em hãy làm tròn s\u1ed1 ch\u1ec9 cân n\u1eb7ng \u0111\u1ebfn hàng nghìn.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hoa-qua\/dau.png\" \/><\/div>","options":["<strong>A.<\/strong> 41 000","<strong>B.<\/strong> 42 000","<strong>C.<\/strong> 40 000","<strong>D.<\/strong> 41 700"],"correct":"2","level":"1","hint":"<p>Khi làm tròn \u0111\u1ebfn hàng nghìn, ta so sánh ch\u1eef s\u1ed1 hàng tr\u0103m v\u1edbi 5. N\u1ebfu ch\u1eef s\u1ed1 hàng tr\u0103m bé h\u01a1n 5 thì làm tròn xu\u1ed1ng, còn l\u1ea1i làm tròn lên.<\/p>","answer":"<p>Vì 41 <span style=\"color:#3498db;\">7<\/span>25 có ch\u1eef s\u1ed1 hàng tr\u0103m là 7 > 5 nên làm tròn lên \u0111\u01b0\u1ee3c 42 000.<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>B.<\/strong> 42 000<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-12 01:53:13","option_type":"txt","len":0},{"id":"1172","post_id":"5961","mon_id":"1158530","chapter_id":"1158711","question":"<p>S\u1eafp x\u1ebfp các s\u1ed1 sau theo th\u1ee9 t\u1ef1 t\u1eeb nh\u1ecf \u0111\u1ebfn l\u1edbn:<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/hoa-qua\/cam.png\" \/><\/div>","options":"","correct":["250","1070","51 500","76 000"],"level":"1","hint":"<p>Trong hai s\u1ed1, s\u1ed1 nào có ít ch\u1eef s\u1ed1 h\u01a1n thì nh\u1ecf h\u01a1n.<\/p><p>N\u1ebfu hai s\u1ed1 có cùng s\u1ed1 ch\u1eef s\u1ed1 thì ta so sánh t\u1eebng c\u1eb7p ch\u1eef s\u1ed1 \u1edf cùng m\u1ed9t hàng, k\u1ec3 t\u1eeb trái sang ph\u1ea3i.<\/p>","answer":"<p>Vì 250 < 1070 < 51 500 < 76 000 nên th\u1ee9 t\u1ef1 t\u1eeb nh\u1ecf \u0111\u1ebfn l\u1edbn là:<\/p><p><span style=\"color:#16a085;\"><strong>250 ; 1070 ; 51 500 ; 76 000<\/strong><\/span><\/p>","type":"reorder","extra_type":"sentence","time":"0","user_id":"131","test":"1","date":"2022-06-12 01:57:53","word":["1070","250","76 000","51 500"]}]}