{"common":{"save":0,"post_id":"6942","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2460","post_id":"6942","mon_id":"1159012","chapter_id":"1159022","question":"<p>K\u1ebft qu\u1ea3 c\u1ee7a phép tính <span class=\"math-tex\">$\\dfrac{9}{11}+\\dfrac{1}{11}$<\/span>.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{11}{11}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{10}{11}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{9}{11}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{10}{22}$<\/span>"],"correct":"2","level":"1","hint":"<p>Mu\u1ed1n c\u1ed9ng hai phân s\u1ed1 cùng m\u1eabu s\u1ed1, ta c\u1ed9ng hai t\u1eed s\u1ed1 v\u1edbi nhau và gi\u1eef nguyên m\u1eabu s\u1ed1. <\/p>","answer":"<p><span class=\"math-tex\">$\\dfrac{9}{11}+\\dfrac{1}{11}=\\dfrac{9+1}{11}=\\dfrac{10}{11}$<\/span><\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{10}{11}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-07 02:10:19","option_type":"math","len":0},{"id":"2461","post_id":"6942","mon_id":"1159012","chapter_id":"1159022","question":"<p>K\u1ebft qu\u1ea3 c\u1ee7a phép tính <span class=\"math-tex\">$\\dfrac{25}{31}+\\dfrac{15}{31}$<\/span>.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{39}{31}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{50}{31}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{40}{62}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{40}{31}$<\/span>"],"correct":"4","level":"1","hint":"<p>Mu\u1ed1n c\u1ed9ng hai phân s\u1ed1 cùng m\u1eabu s\u1ed1, ta c\u1ed9ng hai t\u1eed s\u1ed1 v\u1edbi nhau và gi\u1eef nguyên m\u1eabu s\u1ed1. <\/p>","answer":"<p><span class=\"math-tex\">$\\dfrac{25}{31}+\\dfrac{15}{31}=\\dfrac{25+15}{31}=\\dfrac{40}{31}$<\/span><\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{40}{31}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-07 02:14:10","option_type":"math","len":0},{"id":"2463","post_id":"6942","mon_id":"1159012","chapter_id":"1159022","question":"<p>K\u1ebft qu\u1ea3 c\u1ee7a phép tính <span class=\"math-tex\">$\\dfrac{4}{17}+\\dfrac{4}{17}$<\/span>.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{4}{34}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{10}{17}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{8}{17}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{4}{17}$<\/span>"],"correct":"3","level":"1","hint":"<p>Mu\u1ed1n c\u1ed9ng hai phân s\u1ed1 cùng m\u1eabu s\u1ed1, ta c\u1ed9ng hai t\u1eed s\u1ed1 v\u1edbi nhau và gi\u1eef nguyên m\u1eabu s\u1ed1. <\/p>","answer":"<p><span class=\"math-tex\">$\\dfrac{4}{17}+\\dfrac{4}{17}=\\dfrac{4+4}{17}=\\dfrac{8}{17}$<\/span><\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{8}{17}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2024-02-07 02:16:31","option_type":"math","len":0}]}