{"common":{"save":0,"post_id":"7564","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1145","post_id":"7564","mon_id":"1159414","chapter_id":"1159417","question":"<p>Phân s\u1ed1 nào d\u01b0\u1edbi \u0111ây là phân s\u1ed1 th\u1eadp phân?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{12}{3}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{4}{5}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{10}{7}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{3}{10}$<\/span>"],"correct":"4","level":"3","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{3}{10}$<\/span>.<\/span><\/p><p>Vì phân s\u1ed1 <span class=\"math-tex\">$\\dfrac{3}{10}$<\/span> có m\u1eabu b\u1eb1ng 10.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-08-18 01:33:29","option_type":"math","len":0},{"id":"1146","post_id":"7564","mon_id":"1159414","chapter_id":"1159417","question":"<p>Chuy\u1ec3n phân s\u1ed1 <span class=\"math-tex\">$\\dfrac{125}{50}$<\/span> v\u1ec1 phân s\u1ed1 th\u1eadp phân có m\u1eabu s\u1ed1 b\u1eb1ng 10.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{25}{10}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{5}{2}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{2}{5}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{10}{25}$<\/span>"],"correct":"1","level":"3","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{25}{10}$<\/span>.<\/span><\/p><p><span class=\"math-tex\">$\\dfrac{125}{50}=\\dfrac{125:5}{50:5}=\\dfrac{25}{10}$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-08-18 01:43:32","option_type":"math","len":0},{"id":"1149","post_id":"7564","mon_id":"1159414","chapter_id":"1159417","question":"<p>S\u1eafp x\u1ebfp các phân s\u1ed1 <span class=\"math-tex\">$\\dfrac{3}{20};\\dfrac{41}{100};\\dfrac{1}{20};\\dfrac{3}{100};\\dfrac{7}{700}$<\/span> theo th\u1ee9 t\u1ef1 t\u1eeb bé \u0111\u1ebfn l\u1edbn.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{700};\\dfrac{3}{20};\\dfrac{41}{100};\\dfrac{3}{100};\\dfrac{1}{20}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{700};\\dfrac{3}{100};\\dfrac{41}{100};\\dfrac{1}{20};\\dfrac{3}{20}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{700};\\dfrac{3}{100};\\dfrac{1}{20};\\dfrac{3}{20};\\dfrac{41}{100}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{700};\\dfrac{1}{20};\\dfrac{3}{20};\\dfrac{41}{100};\\dfrac{3}{100}$<\/span>"],"correct":"3","level":"3","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{700};\\dfrac{3}{100};\\dfrac{1}{20};\\dfrac{3}{20};\\dfrac{41}{100}$<\/span>.<\/span><\/p><p>\u0110\u01b0a t\u1ea5t c\u1ea3 các phân s\u1ed1 v\u1ec1 phân s\u1ed1 th\u1eadp phân có m\u1eabu s\u1ed1 b\u1eb1ng 100.<\/p><p><span class=\"math-tex\">$\\dfrac{7}{700}=\\dfrac{7:7}{700:7}=\\dfrac{1}{100}$<\/span>; <span class=\"math-tex\">$\\dfrac{1}{20}=\\dfrac{1\\times5}{20\\times5}=\\dfrac{5}{100}$<\/span>; <span class=\"math-tex\">$\\dfrac{3}{20}=\\dfrac{3\\times5}{20\\times5}=\\dfrac{15}{100}$<\/span>.<\/p><p>Vì <span class=\"math-tex\">$\\dfrac{1}{100}<\\dfrac{3}{100}<\\dfrac{5}{100}<\\dfrac{15}{100}<\\dfrac{41}{100}$<\/span> nên <span class=\"math-tex\">$\\dfrac{7}{700}<\\dfrac{3}{100}<\\dfrac{1}{20}<\\dfrac{3}{20}<\\dfrac{41}{100}$<\/span>.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-08-18 01:52:48","option_type":"math","len":0}]}
