{"common":{"save":0,"post_id":"974","level":1,"total":20,"point":5,"point_extra":0},"segment":[{"id":"1551","post_id":"974","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'> <b> T\u00ecm c\u00e2u tr\u1ea3 l\u1eddi sai. <\/b> <br\/> Cho tam gi\u00e1c ABC vu\u00f4ng t\u1ea1i A. Ta c\u00f3: ","select":["A. $\\widehat{A} = \\widehat{B} + \\widehat{C} $ ","B. $\\widehat{B} + \\widehat{C} = 90^{o} $ ","C. Hai g\u00f3c $\\widehat{B} $ v\u00e0 $\\widehat{C}$ ph\u1ee5 nhau. ","D. Hai g\u00f3c $\\widehat{B} $ v\u00e0 $\\widehat{C}$ b\u00f9 nhau. "],"hint":"Trong m\u1ed9t tam gi\u00e1c vu\u00f4ng hai g\u00f3c nh\u1ecdn ph\u1ee5 nhau. ","explain":" <span class='basic_left'> Tam gi\u00e1c ABC vu\u00f4ng t\u1ea1i A, khi \u0111\u00f3: $\\widehat{A} = 90^{o} \\\\ \\widehat{B} + \\widehat{C} = 90^{o} $ <br\/> Hai g\u00f3c $\\widehat{B} $ v\u00e0 $\\widehat{C}$ ph\u1ee5 nhau. <br\/> <br\/> <span class='basic_pink'> V\u1eady kh\u1eb3ng \u0111\u1ecbnh D l\u00e0 sai. Do \u0111\u00f3 ta ph\u1ea3i ch\u1ecdn D v\u00ec \u0111\u1ea7u b\u00e0i y\u00eau c\u1ea7u t\u00ecm c\u00e2u tr\u1ea3 l\u1eddi sai. <\/span> <\/span>","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"87","test":"0","date":"2019-09-30 09:23:01"},{"id":"1552","post_id":"974","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":[[2]],"list":[{"point":5,"ques":" Cho tam gi\u00e1c MHK vu\u00f4ng t\u1ea1i H. Ta c\u00f3: ","select":["A. $\\widehat{M} + \\widehat{K} > 90^{o} $ ","B. $\\widehat{M} + \\widehat{K} = 90^{o} $ ","C. $\\widehat{M} + \\widehat{K} < 90^{o} $ ","D. $\\widehat{M} + \\widehat{K} = 180^{o} $"],"hint":"Trong m\u1ed9t tam gi\u00e1c vu\u00f4ng hai g\u00f3c nh\u1ecdn ph\u1ee5 nhau. ","explain":" <span class='basic_left'> Tam gi\u00e1c MHK vu\u00f4ng t\u1ea1i H, khi \u0111\u00f3: $\\widehat{M} + \\widehat{K} = 90^{o} $ <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. <\/span> <\/span>","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:23:01"},{"id":"1553","post_id":"974","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'> <b> T\u00ecm c\u00e2u tr\u1ea3 l\u1eddi sai. <\/b> <br\/> <center><img src='img\/H7B9-17.png' \/> <\/center> <b> T\u00ecm c\u00e2u tr\u1ea3 l\u1eddi sai. <\/b> <br\/> Cho tam gi\u00e1c ABC c\u00f3 g\u00f3c $\\widehat{ACx} $ l\u00e0 g\u00f3c ngo\u00e0i t\u1ea1i \u0111\u1ec9nh C c\u1ee7a tam gi\u00e1c ABC. Khi \u0111\u00f3: ","select":["A. $\\widehat{ACx} > \\widehat{A} $ ","B. $\\widehat{ACx} > \\widehat{B} $ ","C. $\\widehat{ACx} = \\widehat{A} + \\widehat{B} $ ","D. $\\widehat{ACx} + \\widehat{A} = \\widehat{B} $ "],"explain":" <span class='basic_left'> *G\u00f3c ngo\u00e0i c\u1ee7a tam gi\u00e1c b\u1eb1ng t\u1ed5ng hai g\u00f3c trong kh\u00f4ng k\u1ec1 v\u1edbi n\u00f3, <br\/> n\u00ean $\\widehat{ACx} = \\widehat{A} + \\widehat{B} $ <br\/> * G\u00f3c ngo\u00e0i c\u1ee7a tam gi\u00e1c l\u1edbn h\u01a1n m\u1ed7i g\u00f3c trong kh\u00f4ng k\u1ec1 v\u1edbi n\u00f3, <br\/> n\u00ean $\\widehat{ACx} > \\widehat{A} $ v\u00e0 $\\widehat{ACx} > \\widehat{B} $ <br\/> <br\/> <span class='basic_pink'> C\u00e2u tr\u1ea3 l\u1eddi sai l\u00e0 D. <\/span><\/span> <br\/>","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:23:01"}]}