Chú ý: Để đảm bảo quyền lợi và bảo vệ tài khoản của mình
Bạn hãy xác thực địa chỉ email đăng ký nhé. Chi tiết xem tại đây
Bạn hãy xác thực địa chỉ email đăng ký nhé. Chi tiết xem tại đây
{"common":{"save":0,"post_id":"6899","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2787","post_id":"6899","mon_id":"1159012","chapter_id":"1159027","question":"<p>Rút g\u1ecdn thành phân s\u1ed1 t\u1ed1i gi\u1ea3n bi\u1ec3u th\u1ee9c<\/p><p> <span class=\"math-tex\">$\\dfrac{5\\mathbf{x}101\\mathbf{x}6}{101\\mathbf{x}24\\mathbf{x}5}$<\/span> = <span class=\"frac123\"><span class=\"ts\"><input class=\"tim_x input_number\" type=\"text\" \/><\/span><span class=\"ms\"><input class=\"tim_x input_number\" type=\"text\" \/><\/span><\/span> .<\/p>","options":"","correct":["[\"1\",\"4\"]"],"level":"3","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{5\\mathbf{x}101\\mathbf{x}6}{101\\mathbf{x}24\\mathbf{x}5}$<\/span> = <span class=\"math-tex\">$\\dfrac{6}{24}$<\/span> = <span class=\"math-tex\">$\\dfrac{6:6}{24:6}=\\dfrac{1}{4}$<\/span> .<\/p><p>(L\u1ea7n l\u01b0\u1ee3t l\u1ea5y c\u1ea3 t\u1eed s\u1ed1 và m\u1eabu s\u1ed1 c\u1ee7a bi\u1ec3u th\u1ee9c chia cho 5 r\u1ed3i chia cho 101).<\/p><p>Các s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t là <span style=\"color:#16a085;\"><strong>1<\/strong><\/span> và <span style=\"color:#16a085;\"><strong>4<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2024-02-14 03:24:09"},{"id":"2789","post_id":"6899","mon_id":"1159012","chapter_id":"1159027","question":"<p>Rút g\u1ecdn thành phân s\u1ed1 t\u1ed1i gi\u1ea3n bi\u1ec3u th\u1ee9c<\/p><p><span class=\"math-tex\">$\\dfrac{7\\mathbf{x}103\\mathbf{x}8}{103\\mathbf{x}20\\mathbf{x}7}$<\/span> = <span class=\"frac123\"><span class=\"ts\"><input class=\"tim_x input_number\" type=\"text\" \/><\/span><span class=\"ms\"><input class=\"tim_x input_number\" type=\"text\" \/><\/span><\/span> .<\/p>","options":"","correct":["[\"2\",\"5\"]"],"level":"3","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{7\\mathbf{x}103\\mathbf{x}8}{103\\mathbf{x}20\\mathbf{x}7}$<\/span> = <span class=\"math-tex\">$\\dfrac{8}{20}=\\dfrac{8:4}{20:4}=$<\/span> <span style=\"color:#16a085;\"><span class=\"math-tex\">$\\dfrac{2}{5}$<\/span><\/span> .<\/p><p>(L\u1ea7n l\u01b0\u1ee3t l\u1ea5y c\u1ea3 t\u1eed s\u1ed1 và m\u1eabu s\u1ed1 c\u1ee7a bi\u1ec3u th\u1ee9c chia cho 7 r\u1ed3i chia cho 103).<\/p><p>Các s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t là <span style=\"color:#16a085;\"><strong>2<\/strong><\/span> và <span style=\"color:#16a085;\"><strong>5<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2024-02-14 03:35:08"},{"id":"2790","post_id":"6899","mon_id":"1159012","chapter_id":"1159027","question":"<p>Phân s\u1ed1 nào d\u01b0\u1edbi \u0111ây l\u1edbn h\u01a1n phân s\u1ed1 <span class=\"math-tex\">$\\dfrac{3}{7}$<\/span> ?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{2}{7}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{6}{14}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{3}{8}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{8}{14}$<\/span>"],"correct":"4","level":"3","hint":"","answer":"<p><strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{2}{7}<\\dfrac{3}{7}$<\/span>.<\/p><p><strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{6}{14}=\\dfrac{3}{7}$<\/span><\/p><p><strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{3}{8}<\\dfrac{3}{7}$<\/span> (Trong hai phân s\u1ed1 có cùng t\u1eed s\u1ed1, phân s\u1ed1 nào có m\u1eabu s\u1ed1 l\u1edbn h\u01a1n thì phân s\u1ed1 \u0111ó nh\u1ecf h\u01a1n).<\/p><p><strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{8}{14}=\\dfrac{4}{7} $<\/span><span style=\"color:#16a085;\"> <span class=\"math-tex\">$>\\dfrac{3}{7}$<\/span><\/span><\/p><p>Ch\u1ecdn<span style=\"color:#16a085;\"> <\/span><span style=\"color:#16a085;\"><strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{8}{14}$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-14 03:40:20","option_type":"math","len":0}]}