{"common":{"save":0,"post_id":"6829","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1621","post_id":"6829","mon_id":"1159012","chapter_id":"1159025","question":"<p>Cho h&igrave;nh b&igrave;nh h&agrave;nh ABCD c&oacute; AB = 10 cm, AD = 8 cm.&nbsp;<\/p><p>T&iacute;nh BC + CD.<\/p>","options":["<strong>A.<\/strong> 18 cm","<strong>B.<\/strong>18 dm","<strong>C.<\/strong><strong> <\/strong>10 cm","<strong>D.<\/strong> 8 cm"],"correct":"1","level":"2","hint":"","answer":"<p>V&igrave; ABCD l&agrave; h&igrave;nh b&igrave;nh h&agrave;nh n&ecirc;n AB = CD = 10&nbsp;cm, AD = BC = 8 cm.<\/p><p>Do \u0111&oacute; BC + CD = 8 + 10 = 18 cm.<\/p><p>Ch\u1ecdn&nbsp; <span style=\"color:#16a085;\">&nbsp;<strong>A.<\/strong>&nbsp;18 cm.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-11-26 02:48:24","option_type":"txt","len":0},{"id":"1623","post_id":"6829","mon_id":"1159012","chapter_id":"1159025","question":"<p>Cho h&igrave;nh thoi ABCD c&oacute; BC = 15 cm.<\/p><p>T&iacute;nh AB + BC + CD + DA.<\/p>","options":["<strong>A.<\/strong> 60 dm","<strong>B.<\/strong> 60 cm","<strong>C.<\/strong> 15 dm","<strong>D.<\/strong> 30 cm"],"correct":"2","level":"2","hint":"","answer":"<p>V&igrave; ABCD l&agrave; h&igrave;nh thoi n&ecirc;n AB = BC = CD = DA = 15 cm.<\/p><p>Do \u0111&oacute; AB + BC + CD + DA = 15 + 15 + 15 + 15 = 60 cm.<\/p><p>Ch\u1ecdn&nbsp; &nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;60 cm.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-11-26 02:50:24","option_type":"txt","len":0},{"id":"1636","post_id":"6829","mon_id":"1159012","chapter_id":"1159025","question":"<p>Cho h&igrave;nh b&igrave;nh h&agrave;nh ABCD c&oacute; AB = 13 cm v&agrave; BC = 5 cm. Khi \u0111&oacute;<\/p><p>AD =&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&nbsp;cm<\/p><p>CD =&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&nbsp;cm<\/p>","options":"","correct":["[\"5\",\"13\"]"],"level":"2","hint":"","answer":"<p>V&igrave; ABCD l&agrave; h&igrave;nh b&igrave;nh h&agrave;nh n&ecirc;n&nbsp;<\/p><p>AD = BC = 5 cm<\/p><p>CD = AB = 13 cm<\/p><p>C&aacute;c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l&agrave;&nbsp;<span style=\"color:#16a085;\"><strong> &nbsp;5&nbsp;<\/strong><\/span> v&agrave;&nbsp; <span style=\"color:#16a085;\"><strong>&nbsp;13<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2023-11-26 03:33:44"}]}