{"common":{"save":0,"post_id":"1012","level":1,"total":20,"point":5,"point_extra":0},"segment":[{"id":"1451","post_id":"1012","mon_id":"0","chapter_id":"0","question":"S\u1eafp x\u1ebfp c\u00e1c c\u00e2u","options":{"time":24,"part":[{"time":3,"title":"S\u1eafp x\u1ebfp c\u00e1c c\u00e2u","title_trans":"Cho c\u00e1c g\u00f3c $\\widehat{xOy} $ v\u00e0 $ \\widehat{mIn}$ l\u00e0 hai g\u00f3c c\u00f3 c\u1ea1nh t\u01b0\u01a1ng \u1ee9ng song song c\u00f9ng nh\u1ecdn. C\u00f3 Ox \/\/ Im, Oy \/\/ In. <br\/> H\u00e3y s\u1eafp x\u1ebfp ch\u1ee9ng minh $\\widehat{O} = \\widehat{I} $ ","temp":"sequence","correct":[[[2],[4],[3],[1],[5]]],"list":[{"point":5,"image":"img\/H7C15-17.png","left":["n\u00ean $\\widehat{O} = \\widehat{K_{1}} $ (c\u1eb7p g\u00f3c so le trong) ","n\u00ean $\\widehat{I} = \\widehat{K_{1}} $ (c\u1eb7p g\u00f3c so le trong)","M\u1eb7t kh\u00e1c Oy \/\/ In (gi\u1ea3 thi\u1ebft)","Ta c\u00f3 Ox \/\/ Im (gi\u1ea3 thi\u1ebft)","V\u1eady $\\widehat{O} = \\widehat{I} $ "],"top":70,"hint":"","explain":" Ta c\u00f3 Ox \/\/ Im (gi\u1ea3 thi\u1ebft) n\u00ean $\\widehat{O} = \\widehat{K_{1}} $ (c\u1eb7p g\u00f3c so le trong) <br\/> M\u1eb7t kh\u00e1c Oy \/\/ In (gi\u1ea3 thi\u1ebft) n\u00ean $\\widehat{I} = \\widehat{K_{1}} $ (c\u1eb7p g\u00f3c so le trong) <br\/> V\u1eady $\\widehat{O} = \\widehat{I} (= \\widehat{K_{1}}) $ "}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:23:00"},{"id":"1452","post_id":"1012","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":"T\u00ecm c\u00e2u tr\u1ea3 l\u1eddi sai. <br\/> N\u1ebfu a \/\/ b th\u00ec: <center><img src='img\/H7C14-10.png' \/><\/center> ","select":["A. $\\widehat{A_{2}} = \\widehat{B_{2}} $","B. $\\widehat{A_{2}} = \\widehat{B_{1}} $","C. $\\widehat{A_{1}} + \\widehat{B_{3}} = 180^{o} $","D. $\\widehat{A_{4}} + \\widehat{B_{4}} = 180^{o} $ "],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> N\u1ebfu \u0111\u01b0\u1eddng th\u1eb3ng c c\u1eaft hai \u0111\u01b0\u1eddng th\u1eb3ng song song a v\u00e0 b th\u00ec t\u1ea1o th\u00e0nh c\u00e1c c\u1eb7p g\u00f3c so le trong b\u1eb1ng nhau, c\u1eb7p g\u00f3c \u0111\u1ed3ng v\u1ecb b\u1eb1ng nhau, c\u1eb7p g\u00f3c trong c\u00f9ng ph\u00eda, ngo\u00e0i c\u00f9ng ph\u00eda b\u00f9 nhau. <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> C\u00e2u sai l\u00e0 A. V\u00ec <br\/> $\\widehat{A_{2}} $ v\u00e0 $ \\widehat{B_{2}} $ l\u00e0 hai g\u00f3c ngo\u00e0i c\u00f9ng ph\u00eda n\u00ean b\u00f9 nhau. ","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:23:00"},{"id":"1453","post_id":"1012","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["115"],["130"]]],"list":[{"point":5,"width":40,"content":"","type_input":"","ques":"Cho h\u00ecnh v\u1ebd, bi\u1ebft AB \/\/ CD <center><img src='img\/H7C15-15.png' \/><\/center> <br\/> T\u00ednh: $\\widehat{A} = \\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}^{o} \\\\ \\widehat{B} = \\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}^{o} $ ","hint":"","explain":"Ta c\u00f3 AB \/\/ CD n\u00ean $\\widehat{A} + \\widehat{D} = 180^{o} $ (hai g\u00f3c trong c\u00f9ng ph\u00eda) <br\/> $\\Rightarrow \\widehat{A} $$ = 180^{o} - \\widehat{D} \\\\ = 180^{o} - 65^{o} \\\\ = 115^{o} $ <br\/> V\u00ec AB \/\/ CD n\u00ean $\\widehat{B} = \\widehat{BCx} = 130^{o} $ (hai g\u00f3c so le trong)<br\/> <\/br\/><span class='basic_pink'>V\u1eady: $ \\widehat{A} = 115^{o} \\\\ \\widehat{B} = 130^{o} $<\/span>"}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:23:00"}]}