{"common":{"save":0,"post_id":"6875","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2875","post_id":"6875","mon_id":"1159012","chapter_id":"1159027","question":"<p>Có 50 b\u1ea1n tham gia vào \u0111\u1ed9i v\u0103n ngh\u1ec7 c\u1ee7a tr\u01b0\u1eddng, trong \u0111ó s\u1ed1 b\u1ea1n nam nhi\u1ec1u h\u01a1n s\u1ed1 b\u1ea1n n\u1eef là 6 b\u1ea1n. H\u1ecfi có bao nhiêu b\u1ea1n nam, bao nhiêu b\u1ea1n n\u1eef?<\/p>","options":["<strong>A.<\/strong> 28 b\u1ea1n nam, 22 b\u1ea1n n\u1eef.","<strong>B.<\/strong> 38 b\u1ea1n nam, 32 b\u1ea1n n\u1eef.","<strong>C.<\/strong> 18 b\u1ea1n nam, 12 b\u1ea1n n\u1eef.","<strong>D.<\/strong> 48 b\u1ea1n nam, 42 b\u1ea1n n\u1eef."],"correct":"1","level":"3","hint":"<p>S\u1ed1 b\u1ea1n nam là s\u1ed1 l\u1edbn, s\u1ed1 b\u1ea1n n\u1eef là s\u1ed1 bé.<\/p>","answer":"<p>S\u1ed1 b\u1ea1n nam là (50 + 6) : 2 = 56 : 2 = 28 b\u1ea1n.<\/p><p>S\u1ed1 b\u1ea1n n\u1eef là 50 – 28 = 22 b\u1ea1n.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> 28 b\u1ea1n nam, 22 b\u1ea1n n\u1eef.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-15 03:38:58","option_type":"txt","len":2},{"id":"2876","post_id":"6875","mon_id":"1159012","chapter_id":"1159027","question":"<p>M\u1ed9t kho có 2 t\u1ea5n và 4 t\u1ea1 hàng. Ng\u01b0\u1eddi ta chuy\u1ec3n hàng t\u1eeb kho ra h\u1ea3i c\u1ea3ng. L\u1ea7n m\u1ed9t chuy\u1ec3n \u0111\u01b0\u1ee3c <span class=\"math-tex\">$\\dfrac{7}{12}$<\/span> s\u1ed1 t\u1ea1 hàng trong kho và l\u1ea7n hai chuy\u1ec3n \u0111\u01b0\u1ee3c<br \/><span class=\"math-tex\">$\\dfrac{1}{6}$<\/span> s\u1ed1 t\u1ea1 hàng trong kho. H\u1ecfi trong kho còn l\u1ea1i bao nhiêu t\u1ea1 hàng?<\/p>","options":["<strong>A.<\/strong> 5 t\u1ea1 hàng","<strong>B.<\/strong> 6 t\u1ea1 hàng","<strong>C.<\/strong> 7 t\u1ea1 hàng","<strong>D.<\/strong> 8 t\u1ea1 hàng"],"correct":"2","level":"3","hint":"","answer":"<p>\u0110\u1ed5i 2 t\u1ea5n 4 t\u1ea1 = 20 t\u1ea1 + 4 t\u1ea1 = 24 t\u1ea1.<\/p><p>S\u1ed1 t\u1ea1 hàng chuy\u1ec3n \u0111i trong l\u1ea7n M\u1ed9t là 24 x <span class=\"math-tex\">$\\dfrac{7}{12}$<\/span> = 14 t\u1ea1.<\/p><p>S\u1ed1 t\u1ea1 hàng chuy\u1ec3n \u0111i trong l\u1ea7n Hai là 24 x <span class=\"math-tex\">$\\dfrac{1}{6}$<\/span> = 4 t\u1ea1.<\/p><p>S\u1ed1 t\u1ea1 hàng còn l\u1ea1i trong kho là 24 – 14 – 4 = 6 t\u1ea1.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> 6 t\u1ea1 hàng.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-15 03:47:08","option_type":"txt","len":2},{"id":"2880","post_id":"6875","mon_id":"1159012","chapter_id":"1159027","question":"<p>Cùng \u0111i m\u1ed9t quãng \u0111\u01b0\u1eddng, ô tô màu xanh \u0111i h\u1ebft <span class=\"math-tex\">$\\dfrac{5}{6}$<\/span> gi\u1edd, ô tô màu \u0111\u1ecf \u0111i h\u1ebft <span class=\"math-tex\">$\\dfrac{11}{12}$<\/span> gi\u1edd, ô tô màu tr\u1eafng \u0111i h\u1ebft 3600 giây, ô tô màu \u0111en \u0111i h\u1ebft 54 phút. <\/p><p>S\u1eafp x\u1ebfp màu c\u1ee7a các ô tô theo th\u1ee9 t\u1ef1 t\u1eeb th\u1eddi gian \u0111i ít nh\u1ea5t \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t.<\/p>","options":"","correct":["Xanh","\u0110en","\u0110\u1ecf","Tr\u1eafng"],"level":"3","hint":"<p>\u0110\u1ed5i th\u1eddi gian \u0111i c\u1ee7a t\u1ea5t c\u1ea3 các xe sang \u0111\u01a1n v\u1ecb phút.<\/p>","answer":"<p>\u0110\u1ed5i <span class=\"math-tex\">$\\dfrac{5}{6}$<\/span> gi\u1edd = 50 phút (vì <span class=\"math-tex\">$\\dfrac{5}{6}$<\/span> x 60 = 50).<\/p><p><span class=\"math-tex\">$\\dfrac{11}{12}$<\/span> gi\u1edd = 55 phút (vì <span class=\"math-tex\">$\\dfrac{11}{12}$<\/span> x 60 = 55).<\/p><p>3600 giây = 60 phút (vì 3600 : 60 = 60).<\/p><p>Vì 50 phút < 54 phút < 55 phút < 60 phút nên màu c\u1ee7a các ô tô theo th\u1ee9 t\u1ef1 th\u1eddi gian \u0111i t\u1eeb ít nh\u1ea5t \u0111\u1ebfn nhi\u1ec1u nh\u1ea5t là <span style=\"color:#16a085;\"><strong>Xanh \u0110en \u0110\u1ecf Tr\u1eafng.<\/strong><\/span><\/p>","type":"reorder","extra_type":"number","time":"0","user_id":"131","test":"0","date":"2024-02-15 03:56:03","word":["Tr\u1eafng","\u0110\u1ecf","Xanh","\u0110en"]}]}