{"common":{"save":0,"post_id":"1007","level":1,"total":20,"point":5,"point_extra":0},"segment":[{"id":"1421","post_id":"1007","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":[[1]],"list":[{"point":5,"ques":" N\u1ebfu \u0111\u01b0\u1eddng th\u1eb3ng c c\u1eaft hai \u0111\u01b0\u1eddng th\u1eb3ng a, b v\u00e0 trong c\u00e1c g\u00f3c t\u1ea1o th\u00e0nh c\u00f3 m\u1ed9t c\u1eb7p g\u00f3c \u0111\u1ed3ng v\u1ecb b\u1eb1ng nhau th\u00ec a v\u00e0 b song song v\u1edbi nhau. ","select":["\u0110\u00fang","Sai "],"hint":"","explain":" Ph\u00e1t bi\u1ec3u tr\u00ean l\u00e0 \u0111\u00fang. ","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":"1422","post_id":"1007","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":[[1]],"list":[{"point":5,"ques":"V\u1ebd c\u1eb7p g\u00f3c so le trong xAB, yBA c\u00f3 s\u1ed1 \u0111o \u0111\u1ec1u b\u1eb1ng $120^{o} $. <br\/> H\u1ecfi Ax c\u00f3 song song v\u1edbi By kh\u00f4ng kh\u00f4ng? ","select":["C\u00f3","Kh\u00f4ng "],"hint":"","explain":" <center><img src='img\/H7C14-50.png' \/><\/center> <br\/> Ta c\u00f3 $\\widehat{xAB} = \\widehat{yBA} = 120^{o} $ m\u00e0 hai g\u00f3c n\u00e0y \u1edf v\u1ecb tr\u00ed so le trong <br\/> $\\Rightarrow$ Ax \/\/ By (d\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft hai \u0111\u01b0\u1eddng th\u1eb3ng song song) ","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":"1423","post_id":"1007","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":[[1]],"list":[{"point":5,"ques":"V\u1ebd m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng c\u1eaft hai \u0111\u01b0\u1eddng th\u1eb3ng. <br\/> Trong c\u00e1c g\u00f3c t\u1ea1o th\u00e0nh c\u00f3 m\u1ed9t c\u1eb7p g\u00f3c \u0111\u1ed3ng v\u1ecb b\u1eb1ng nhau. <br\/> Khi \u0111\u00f3, m\u1ed7i c\u1eb7p g\u00f3c trong c\u00f9ng ph\u00eda b\u00f9 nhau. \u0110\u00fang hay sai? ","select":["\u0110\u00fang","Sai "],"hint":"","explain":" <span class='basic_left'><center><img src='img\/H7C14-04.png' \/><\/center>Gi\u1ea3 s\u1eed \u0111\u01b0\u1eddng th\u1eb3ng c c\u1eaft \u0111\u01b0\u1eddng th\u1eb3ng a v\u00e0 b t\u01b0\u01a1ng \u1ee9ng \u1edf A v\u00e0 B <br\/> X\u00e9t c\u1eb7p g\u00f3c trong c\u00f9ng ph\u00eda $\\widehat{A_{4}} $ v\u00e0 $\\widehat{B_{1}} $ <br\/> Ta c\u00f3 $\\widehat{A_{4}} + \\widehat{A_{1}} = 180^{o}$ (hai g\u00f3c k\u1ec1 b\u00f9) m\u00e0 $\\widehat{A_{1}} = \\widehat{B_{1}} $ ( c\u1eb7p g\u00f3c \u0111\u1ed3ng v\u1ecb) n\u00ean $\\widehat{A_{4}} + \\widehat{B_{1}} = 180^{o} $ <br\/> X\u00e9t t\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u1eb7p g\u00f3c trong c\u00f9ng ph\u00eda $\\widehat{A_{3}} $ v\u00e0 $\\widehat{B_{2}} , $ ta c\u0169ng c\u00f3 $\\widehat{A_{3}} + \\widehat{B_{2}} = 180^{o} $ <br\/>V\u1eady m\u1ed7i c\u1eb7p g\u00f3c trong c\u00f9ng ph\u00eda b\u00f9 nhau.<br\/><span class='basic_pink'> Ph\u00e1t bi\u1ec3u tr\u00ean l\u00e0 \u0110\u00fang.<\/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"}]}