{"common":{"save":0,"post_id":"999","level":1,"total":20,"point":5,"point_extra":0},"segment":[{"id":"1361","post_id":"999","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"<span class='basic_left'>N\u1ebfu coi kim ph\u00fat v\u00e0 kim gi\u1edd l\u00e0 hai c\u1ea1nh c\u1ee7a g\u00f3c th\u00ec kim ph\u00fat v\u00e0 kim gi\u1edd t\u1ea1o th\u00e0nh g\u00f3c vu\u00f4ng l\u00fac: <\/span> ","select":[" A. 3 gi\u1edd "," B. 9 gi\u1edd "," C. 6 gi\u1edd "," D. 3 gi\u1edd ho\u1eb7c 9 gi\u1edd "],"hint":"","explain":" <center><img src='img\/H7C12-35.png' \/><\/center> <br\/> 3 gi\u1edd ho\u1eb7c 9h kim ph\u00fat v\u00e0 kim gi\u1edd t\u1ea1o th\u00e0nh g\u00f3c vu\u00f4ng. <br\/><br\/><span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 D. <\/span><\/span> ","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:22:59"},{"id":"1362","post_id":"999","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"<span class='basic_left'>\u0110\u01b0\u1eddng th\u1eb3ng AB c\u1eaft \u0111o\u1ea1n th\u1eb3ng CD t\u1ea1i M. \u0110\u01b0\u1eddng th\u1eb3ng AB l\u00e0 \u0111\u01b0\u1eddng trung tr\u1ef1c c\u1ee7a \u0111o\u1ea1n th\u1eb3ng CD khi: <\/span> ","select":["A. $AB \\perp CD$ (M kh\u00e1c A v\u00e0 B) ","B. $AB \\perp CD$ ","C. $AB \\perp CD$ v\u00e0 MC = MD ","D. $AB \\perp CD$ v\u00e0 MC + MD = CD "],"hint":"Xem \u0111\u01b0\u1eddng trung tr\u1ef1c c\u1ee7a \u0111o\u1ea1n th\u1eb3ng. ","explain":" <center><img src='img\/H7C12-36.png' \/><\/center> \u0110\u01b0\u1eddng th\u1eb3ng AB l\u00e0 \u0111\u01b0\u1eddng trung tr\u1ef1c c\u1ee7a \u0111o\u1ea1n th\u1eb3ng CD khi: $AB \\perp CD$ v\u00e0 MC = MD <br\/><br\/><span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 C. <\/span><\/span> ","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:22:59"},{"id":"1363","post_id":"999","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","options":{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Cho hai \u0111\u01b0\u1eddng th\u1eb3ng aa' v\u00e0 bb' vu\u00f4ng g\u00f3c v\u1edbi nhau t\u1ea1i O. <br\/> H\u00e3y ch\u1ec9 ra c\u00e2u sai trong c\u00e1c c\u00e2u sau: ","select":["A. $aa' \\perp bb' $ ","B. $\\widehat{aOb} = 90^{o} $ ","C. aa' v\u00e0 bb' kh\u00f4ng th\u1ec3 c\u1eaft nhau ","D. aa' l\u00e0 \u0111\u01b0\u1eddng ph\u00e2n gi\u00e1c c\u1ee7a g\u00f3c b\u1eb9t $\\widehat{bOb'} $ "],"hint":"","explain":" <center><img src='img\/H7C12-05.png' \/><\/center> C\u00e2u sai l\u00e0 C. V\u00ec: <br\/> aa' v\u00e0 bb' vu\u00f4ng g\u00f3c v\u1edbi nhau t\u1ea1i O n\u00ean aa' v\u00e0 bb' c\u1eaft nhau t\u1ea1i O. <br\/><br\/><span class='basic_pink'> Ch\u1ecdn C. <\/span><\/span> ","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:22:59"}]}