{"common":{"save":0,"post_id":"6577","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6143","post_id":"6577","mon_id":"1158921","chapter_id":"1158932","question":"<p>T\u1ec9 s\u1ed1 c\u1ee7a hai \u0111o\u1ea1n th\u1eb3ng l&agrave;&nbsp;&lt;input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/&gt;.<\/p>","options":["<strong>A. <\/strong>t\u1ec9 s\u1ed1 \u0111\u1ed9 d&agrave;i c\u1ee7a ch&uacute;ng.","<strong>B. <\/strong>t\u1ec9 s\u1ed1 \u0111\u1ed9 d&agrave;i c\u1ee7a ch&uacute;ng theo c&ugrave;ng m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o.","<strong>C. <\/strong>t\u1ec9 s\u1ed1 \u0111\u1ed9 d&agrave;i c\u1ee7a ch&uacute;ng c&oacute; th\u1ec3 kh&aacute;c \u0111\u01a1n v\u1ecb \u0111o.","<strong>D. <\/strong>t\u1ec9 s\u1ed1 b&igrave;nh ph\u01b0\u01a1ng \u0111\u1ed9 d&agrave;i c\u1ee7a ch&uacute;ng."],"correct":"2","level":"1","hint":"","answer":"<p>T\u1ec9 s\u1ed1 c\u1ee7a hai \u0111o\u1ea1n th\u1eb3ng l&agrave;&nbsp;<span style=\"color:#16a085;\">t\u1ec9 s\u1ed1 \u0111\u1ed9 d&agrave;i c\u1ee7a ch&uacute;ng theo c&ugrave;ng m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o.<\/span><\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B. <\/strong>t\u1ec9 s\u1ed1 \u0111\u1ed9 d&agrave;i c\u1ee7a ch&uacute;ng theo c&ugrave;ng m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-30 00:24:58","option_type":"txt","len":3},{"id":"6146","post_id":"6577","mon_id":"1158921","chapter_id":"1158932","question":"<p>Cho hai \u0111o\u1ea1n th\u1eb3ng AB = 4 cm v&agrave; CD = 8 cm. T&iacute;nh t\u1ec9 s\u1ed1 c\u1ee7a hai \u0111o\u1ea1n th\u1eb3ng AB v&agrave; CD.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{CD}{AB}=\\dfrac{1}{2}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{AB}{CD}=\\dfrac{1}{5}$<\/span>","<b>C.<\/b><span class=\"math-tex\">$\\dfrac{CD}{AB}=\\dfrac{4}{8}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{AB}{CD}=\\dfrac{1}{2}$<\/span>"],"correct":"4","level":"1","hint":"<p>T\u1ec9 s\u1ed1 c\u1ee7a hai \u0111o\u1ea1n th\u1eb3ng l&agrave;&nbsp;t\u1ec9 s\u1ed1 \u0111\u1ed9 d&agrave;i c\u1ee7a ch&uacute;ng theo c&ugrave;ng m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o.<\/p>","answer":"<p>T\u1ec9 s\u1ed1 c\u1ee7a hai \u0111o\u1ea1n th\u1eb3ng AB v&agrave; CD l&agrave;&nbsp;<span class=\"math-tex\">$\\dfrac{AB}{CD}=\\dfrac{4}{8}=\\dfrac{1}{2}$<\/span>.<\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{AB}{CD}=\\dfrac{1}{2}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-30 00:32:25","option_type":"math","len":0},{"id":"6148","post_id":"6577","mon_id":"1158921","chapter_id":"1158932","question":"<p>Cho hai \u0111o\u1ea1n th\u1eb3ng MN = 5 dm v&agrave; PQ = 30&nbsp;cm. T&iacute;nh t\u1ec9 s\u1ed1 c\u1ee7a hai \u0111o\u1ea1n th\u1eb3ng MN v&agrave; PQ.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{MN}{PQ}=\\dfrac{3}{5}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{MN}{PQ}=\\dfrac{1}{6}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{MN}{PQ}=\\dfrac{5}{3}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{MN}{PQ}=\\dfrac{5}{30}$<\/span>"],"correct":"3","level":"1","hint":"<p>T\u1ec9 s\u1ed1 c\u1ee7a hai \u0111o\u1ea1n th\u1eb3ng l&agrave;&nbsp;t\u1ec9 s\u1ed1 \u0111\u1ed9 d&agrave;i c\u1ee7a ch&uacute;ng theo c&ugrave;ng m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o.<\/p>","answer":"<p>\u0110\u1ed5i: MN = 5 dm = 50 cm.<\/p><p>T\u1ec9 s\u1ed1 c\u1ee7a hai \u0111o\u1ea1n th\u1eb3ng MN v&agrave; PQ l&agrave;&nbsp;<span class=\"math-tex\">$\\dfrac{MN}{PQ}=\\dfrac{50}{30}=\\dfrac{5}{3}$<\/span>.<\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{MN}{PQ}=\\dfrac{5}{3}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-30 00:35:54","option_type":"math","len":0}]}