{"common":{"save":0,"post_id":"5894","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"990","post_id":"5894","mon_id":"1158530","chapter_id":"1158693","question":"<p>S\u1eafp x\u1ebfp các s\u1ed1 sau theo th\u1ee9 t\u1ef1 t\u1eeb bé \u0111\u1ebfn l\u1edbn.<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/do-an\/cake.png\" \/><\/div>","options":"","correct":["5116","5161","5611","5616","5661"],"level":"3","hint":"<p>S\u1ed1 <\/p>","answer":"<p>Ta có: 5116 < 5161 < 5611 < 5616 < 5661<\/p><p>Do \u0111ó th\u1ee9 t\u1ef1 t\u1eeb bé \u0111\u1ebfn l\u1edbn là <\/p><p><span style=\"color:#16a085;\">5116 ; 5161 ; 5611 ; 5616 ; 5661<\/span><\/p>","type":"reorder","extra_type":"sentence","time":"0","user_id":"131","test":"1","date":"2022-06-10 09:34:12","word":["5661","5116","5611","5616","5161"]},{"id":"991","post_id":"5894","mon_id":"1158530","chapter_id":"1158693","question":"<p>N\u1ebfu em có b\u1ed1n que diêm thì em có th\u1ec3 x\u1ebfp thành bao nhiêu s\u1ed1 La Mã khác nhau có giá tr\u1ecb nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 20 (m\u1ed7i l\u01b0\u1ee3t là m\u1ed9t s\u1ed1 và ph\u1ea3i dùng c\u1ea3 b\u1ed1n que diêm)?<\/p><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/do-an\/hop-banh2.png\" \/><\/div>","options":["2","5","3","4"],"correct":"4","level":"3","hint":"","answer":"<p>Các s\u1ed1 La Mã có th\u1ec3 x\u1ebfp là VII ; XII ; XV ; XX<\/p><p>V\u1eady có th\u1ec3 x\u1ebfp \u0111\u01b0\u1ee3c 4 s\u1ed1 nh\u01b0 th\u1ebf.<\/p><p>\u0110áp án \u0111úng là <span style=\"color:#16a085;\"><strong>4<\/strong><\/span><\/p>","type":"choose","extra_type":"flower","time":"0","user_id":"131","test":"1","date":"2022-06-10 09:40:42","option_type":"txt","len":0},{"id":"992","post_id":"5894","mon_id":"1158530","chapter_id":"1158693","question":"<p>S\u1ed1 nào sau khi làm tròn \u0111\u1ebfn hàng ch\u1ee5c \u0111\u01b0\u1ee3c s\u1ed1 5970?<\/p><div class=\"lt123_imgs\"><img class=\"img_dd small\" src=\"\/data\/library\/do-an\/banh4.png\" \/><\/div>","options":["<strong>A.<\/strong> 5969","<strong>B. <\/strong>5977","<strong>C. <\/strong>5964","<strong>D. <\/strong>5971"],"correct":"[\"1\",\"4\"]","level":"3","hint":"<p>Khi làm tròn s\u1ed1 \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 thì làm tròn lên.<\/p>","answer":"<p><strong>A.<\/strong> 5969 làm tròn \u0111\u1ebfn hàng ch\u1ee5c \u0111\u01b0\u1ee3c <span style=\"color:#16a085;\">5970<\/span> (vì ch\u1eef s\u1ed1 hàng \u0111\u01a1n v\u1ecb là 9 > 5 nên làm tròn lên)<\/p><p><strong>B. <\/strong>5977 làm tròn \u0111\u1ebfn hàng ch\u1ee5c \u0111\u01b0\u1ee3c <span style=\"color:#e74c3c;\">5980<\/span> (vì ch\u1eef s\u1ed1 hàng \u0111\u01a1n v\u1ecb là 7 > 5 nên làm tròn lên)<\/p><p><strong>C. <\/strong>5964 làm tròn \u0111\u1ebfn hàng ch\u1ee5c \u0111\u01b0\u1ee3c <span style=\"color:#e74c3c;\">5960<\/span> (vì ch\u1eef s\u1ed1 hàng \u0111\u01a1n v\u1ecb là 4 < 5 nên làm tròn xu\u1ed1ng)<\/p><p><strong>D. <\/strong>5971 làm tròn \u0111\u1ebfn hàng ch\u1ee5c \u0111\u01b0\u1ee3c <span style=\"color:#16a085;\">5970<\/span> (vì ch\u1eef s\u1ed1 hàng \u0111\u01a1n v\u1ecb là 1 < 5 nên làm tròn xu\u1ed1ng)<\/p><p>Các \u0111áp án \u0111úng là <span style=\"color:#16a085;\"><strong>A.<\/strong> 5969 ; <strong>D. <\/strong>5971<\/span><\/p>","type":"checkbox","extra_type":"classic-checkbox","time":"0","user_id":"131","test":"1","date":"2022-06-10 09:40:45","option_type":"txt","len":0}]}