{"common":{"save":0,"post_id":"8436","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"4656","post_id":"8436","mon_id":"1159414","chapter_id":"1159497","question":"<p>T&iacute;nh th\u1ec3 t&iacute;ch c\u1ee7a h&igrave;nh l\u1eadp ph\u01b0\u01a1ng c&oacute; c\u1ea1nh 2,5 m.<\/p>","options":["<strong>A.<\/strong> 15,625 m&sup3;","<strong>B.<\/strong> 12,625 m&sup3;","<strong>C.<\/strong> 16,625 m&sup3;","<strong>D.<\/strong> 14,625 m&sup3;"],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> 15,625 m&sup3;.<\/span><\/p><p>Th\u1ec3 t&iacute;ch c\u1ee7a h&igrave;nh l\u1eadp ph\u01b0\u01a1ng l&agrave; 2,5 x 2,5 x 2,5 = 15,625 (m&sup3;).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-16 09:58:27","option_type":"txt","len":2},{"id":"4658","post_id":"8436","mon_id":"1159414","chapter_id":"1159497","question":"<p>M\u1ed9t h&igrave;nh l\u1eadp ph\u01b0\u01a1ng c&oacute; th\u1ec3 t&iacute;ch l&agrave; 1 cm&sup3;.&nbsp;<\/p><p>C\u1ea1nh c\u1ee7a h&igrave;nh l\u1eadp ph\u01b0\u01a1ng \u0111&oacute; l&agrave;&nbsp;&lt;input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/&gt;&nbsp;cm.<\/p>","options":"","correct":["[\"1\"]"],"level":"1","hint":"","answer":"<p>S\u1ed1 c\u1ea7n \u0111i\u1ec1n l&agrave; <span style=\"color:#16a085;\"><strong>1<\/strong><\/span>.<\/p><p>V&igrave; 1 x 1 x 1 = 1 n&ecirc;n h&igrave;nh l\u1eadp ph\u01b0\u01a1ng \u0111&oacute; c&oacute; c\u1ea1nh b\u1eb1ng 1 cm.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"0","date":"2025-02-16 10:00:30"},{"id":"4659","post_id":"8436","mon_id":"1159414","chapter_id":"1159497","question":"<p>M\u1ed9t h&igrave;nh l\u1eadp ph\u01b0\u01a1ng c&oacute; c\u1ea1nh b\u1eb1ng 3,5 cm. T&iacute;nh th\u1ec3 t&iacute;ch c\u1ee7a h&igrave;nh l\u1eadp ph\u01b0\u01a1ng \u0111&oacute;.<\/p>","options":["<strong>A.<\/strong> 43,875 cm&sup3;","<strong>B.<\/strong> 44,875 cm&sup3;","<strong>C.<\/strong> 45,875 cm&sup3;","<strong>D.<\/strong> 42,875 cm&sup3;"],"correct":"4","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong> 42,875 cm&sup3;.<\/span><\/p><p>Th\u1ec3 t&iacute;ch c\u1ee7a h&igrave;nh l\u1eadp ph\u01b0\u01a1ng \u0111&oacute; l&agrave; 3,5 x 3,5 x 3,5 = 42,875 (cm&sup3;).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2025-02-16 10:02:34","option_type":"txt","len":2}]}