{"common":{"save":0,"post_id":"5892","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"974","post_id":"5892","mon_id":"1158530","chapter_id":"1158693","question":"<p>So sánh hai s\u1ed1 3410 và 7829.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/do-an\/banh-sinh-nhat.png\" \/><\/div>","options":["<strong>A.<\/strong> 3410 > 7829","<strong>B. <\/strong>3410 < 7829","<strong>C. <\/strong>3410 = 7829"],"correct":"2","level":"1","hint":"<p>N\u1ebfu hai s\u1ed1 có cùng s\u1ed1 ch\u1eef s\u1ed1 thì 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>Ta có: 3410 < 7829 (vì \u1edf hàng nghìn có 3 < 7)<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>B. <\/strong>3410 < 7829<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-10 08:45:49","option_type":"txt","len":2},{"id":"977","post_id":"5892","mon_id":"1158530","chapter_id":"1158693","question":"<p>Làm tròn s\u1ed1 1975 \u0111\u1ebfn hàng ch\u1ee5c.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/do-an\/4-kem.png\" \/><\/div>","options":["<strong>A.<\/strong> 1980","<strong>B. <\/strong>1970","<strong>C. <\/strong>1990","<strong>D. <\/strong>1950"],"correct":"1","level":"1","hint":"<p>Khi làm tròn \u0111\u1ebfn hàng ch\u1ee5c, ta so sánh ch\u1eef s\u1ed1 hàng \u0111\u01a1n v\u1ecb v\u1edbi 5. N\u1ebfu ch\u1eef s\u1ed1 hàng \u0111\u01a1n v\u1ecb bé h\u01a1n 5 thì làm tròn xu\u1ed1ng, còn l\u1ea1i làm tròn lên.<\/p>","answer":"<p>Vì 1975 có ch\u1eef s\u1ed1 hàng \u0111\u01a1n v\u1ecb là <span style=\"color:#3498db;\">5 = 5 nên làm tròn lên<\/span> \u0111\u01b0\u1ee3c 1980.<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>A.<\/strong> 1980<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-10 08:49:35","option_type":"txt","len":0},{"id":"979","post_id":"5892","mon_id":"1158530","chapter_id":"1158693","question":"<p>So sánh hai s\u1ed1 1989 và 1970.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/do-an\/banh1.png\" \/><\/div>","options":["<strong>A.<\/strong> 1989 < 1970","<strong>B. <\/strong>1989 = 1970","<strong>C. <\/strong>1989 > 1970"],"correct":"3","level":"1","hint":"<p>N\u1ebfu hai s\u1ed1 có cùng s\u1ed1 ch\u1eef s\u1ed1 thì 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>Ta có: 1989 > 1970 (vì \u1edf hàng ch\u1ee5c có 8 > 7)<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>C. <\/strong>1989 > 1970<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-10 08:53:50","option_type":"txt","len":2}]}
