{"common":{"save":0,"post_id":"6933","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2520","post_id":"6933","mon_id":"1159012","chapter_id":"1159022","question":"<p>So sánh<\/p><p><span class=\"math-tex\">$\\dfrac{34}{45}+\\dfrac{3}{45}$<\/span> <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/> <span class=\"math-tex\">$\\dfrac{12}{59}+\\dfrac{25}{59}$<\/span><\/p>","options":["<",">","="],"correct":"2","level":"2","hint":"","answer":"<p><span class=\"math-tex\">$\\dfrac{34}{45}+\\dfrac{3}{45}=\\dfrac{37}{45}$<\/span> ; <span class=\"math-tex\">$\\dfrac{12}{59}+\\dfrac{25}{59}=\\dfrac{37}{59}$<\/span><\/p><p>Vì <span class=\"math-tex\">$\\dfrac{37}{45}>\\dfrac{37}{59}$<\/span> nên <span class=\"math-tex\">$\\dfrac{34}{45}+\\dfrac{3}{45}$<\/span> <span style=\"color:#16a085;\"><strong>><\/strong><\/span> <span class=\"math-tex\">$\\dfrac{12}{59}+\\dfrac{25}{59}$<\/span><\/p><p>(trong hai phân s\u1ed1 cùng t\u1eed s\u1ed1, phân s\u1ed1 nào có m\u1eabu s\u1ed1 nh\u1ecf h\u01a1n thì phân s\u1ed1 \u0111ó l\u1edbn h\u01a1n)<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>con c\u1eebu ch\u1ee9a d\u1ea5u ><\/strong><\/span><\/p>","type":"choose","extra_type":"sheep","time":"0","user_id":"131","test":"0","date":"2024-02-07 04:54:48","option_type":"txt","len":0},{"id":"2555","post_id":"6933","mon_id":"1159012","chapter_id":"1159022","question":"<p>Tính b\u1eb1ng cách thu\u1eadn ti\u1ec7n <span class=\"math-tex\">$\\dfrac{11}{8}+\\dfrac{7}{16}+\\dfrac{5}{16}$<\/span><\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{15}{8}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{17}{16}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{11}{8}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{17}{8}$<\/span>"],"correct":"4","level":"2","hint":"<p>Nhóm các phân s\u1ed1 cùng m\u1eabu \u0111\u1ec3 c\u1ed9ng tr\u01b0\u1edbc.<\/p>","answer":"<p><span class=\"math-tex\">$\\dfrac{11}{8}+\\dfrac{7}{16}+\\dfrac{5}{16}$<\/span><\/p><p>= <span class=\"math-tex\">$\\dfrac{11}{8}+ \\bigg( \\dfrac{7}{16}+\\dfrac{5}{16} \\bigg)$<\/span><\/p><p>= <span class=\"math-tex\">$\\dfrac{11}{8}+\\dfrac{12}{16} $<\/span><\/p><p>= <span class=\"math-tex\">$\\dfrac{11}{8}+\\dfrac{6}{8} $<\/span><\/p><p>= <span class=\"math-tex\">$\\dfrac{17}{8}$<\/span><\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{17}{8}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-08 04:12:44","option_type":"math","len":0},{"id":"2558","post_id":"6933","mon_id":"1159012","chapter_id":"1159022","question":"<p>B\u1ea1n An có m\u1ed9t quy\u1ec3n sách. Ngày th\u1ee9 nh\u1ea5t, An \u0111\u1ecdc \u0111\u01b0\u1ee3c <span class=\"math-tex\">$\\dfrac{2}{5}$<\/span> s\u1ed1 trang c\u1ee7a quy\u1ec3n sách. Ngày th\u1ee9 hai, An \u0111\u1ecdc \u0111\u01b0\u1ee3c <span class=\"math-tex\">$\\dfrac{2}{7}$<\/span> s\u1ed1 trang c\u1ee7a quy\u1ec3n sách. H\u1ecfi c\u1ea3 hai ngày, An \u0111\u1ecdc \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 bao nhiêu ph\u1ea7n s\u1ed1 trang c\u1ee7a quy\u1ec3n sách?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{24}{7}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{22}{35}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{24}{35}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{2}{12}$<\/span>"],"correct":"3","level":"2","hint":"","answer":"<p>C\u1ea3 hai ngày, An \u0111\u1ecdc \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 s\u1ed1 ph\u1ea7n s\u1ed1 trang c\u1ee7a quy\u1ec3n sách là:<\/p><p><span class=\"math-tex\">$\\dfrac{2}{5}+\\dfrac{2}{7}=\\dfrac{14}{35}+\\dfrac{10}{35}=\\dfrac{24}{35}$<\/span><\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{24}{35}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-08 04:22:59","option_type":"math","len":0}]}