{"common":{"save":0,"post_id":"7138","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5633","post_id":"7138","mon_id":"1158924","chapter_id":"1159174","question":"<p>Cho kh\u1ed1i ch&oacute;p S.ABC c&oacute; chi\u1ec1u cao b\u1eb1ng 3, \u0111&aacute;y ABC c&oacute; di\u1ec7n t&iacute;ch b\u1eb1ng 10. Th\u1ec3 t&iacute;ch kh\u1ed1i ch&oacute;p&nbsp;S.ABC b\u1eb1ng<\/p>","options":["<strong>A. <\/strong>2","<strong>B. <\/strong>15","<strong>C. <\/strong>10","<strong>D. <\/strong>30"],"correct":"3","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>C.&nbsp;<\/strong>10<\/span><\/p><p>Th\u1ec3 t&iacute;ch kh\u1ed1i ch&oacute;p&nbsp;S.ABC l&agrave;:&nbsp;<\/p><p><span class=\"math-tex\">$V=\\dfrac{1}{3}B.h=\\dfrac{1}{3}.10.3=10$<\/span>&nbsp;(\u0111\u01a1n v\u1ecb th\u1ec3 t&iacute;ch)<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-05-08 02:01:07","option_type":"txt","len":0},{"id":"5635","post_id":"7138","mon_id":"1158924","chapter_id":"1159174","question":"<p>Cho kh\u1ed1i ch&oacute;p S.ABC c&oacute; chi\u1ec1u cao b\u1eb1ng 12cm,&nbsp;\u0111&aacute;y ABC c&oacute; di\u1ec7n t&iacute;ch b\u1eb1ng 40cm&sup2;. Th\u1ec3 t&iacute;ch kh\u1ed1i ch&oacute;p&nbsp;S.ABC b\u1eb1ng<\/p>","options":["<strong>A. <\/strong>160cm&sup3;","<strong>B. <\/strong>480cm&sup3;","<strong>C. <\/strong>160m&sup3;","<strong>D. <\/strong>120cm&sup3;"],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.&nbsp;<\/strong>160cm&sup3;<\/span><\/p><p>Th\u1ec3 t&iacute;ch kh\u1ed1i ch&oacute;p&nbsp;S.ABC l&agrave;:<\/p><p><span class=\"math-tex\">$V=\\dfrac{1}{3}Bh=\\dfrac{1}{3}.40.12=160$<\/span>&nbsp;(cm&sup3;)<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-05-08 02:08:28","option_type":"txt","len":1},{"id":"5636","post_id":"7138","mon_id":"1158924","chapter_id":"1159174","question":"<p>Cho kh\u1ed1i ch&oacute;p S.ABC c&oacute; chi\u1ec1u cao b\u1eb1ng 5, \u0111&aacute;y ABC c&oacute; di\u1ec7n t&iacute;ch b\u1eb1ng 6. Th\u1ec3 t&iacute;ch kh\u1ed1i ch&oacute;p&nbsp;S.ABC b\u1eb1ng<\/p>","options":["<strong>A. <\/strong>11","<strong>B. <\/strong>10","<strong>C. <\/strong>15","<strong>D. <\/strong>30"],"correct":"2","level":"1","hint":"","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.&nbsp;<\/strong>10<\/span><\/p><p>Th\u1ec3 t&iacute;ch kh\u1ed1i ch&oacute;p&nbsp;S.ABC l&agrave;:&nbsp;<\/p><p><span class=\"math-tex\">$V=\\dfrac{1}{3}Bh=\\dfrac{1}{3}.6.5=10$<\/span>&nbsp;(\u0111\u01a1n v\u1ecb th\u1ec3 t&iacute;ch)<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-05-08 02:10:10","option_type":"txt","len":0}]}