{"common":{"save":0,"post_id":"761","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"931","post_id":"761","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":10,"ques":" <center><img src='img\/4.jpg' \/><\/center><br\/> Cho M = {$x \\in Z $\/$-8 < x \\le 3$ } ","select":[" A. M = {-8; -7; -6; ... ; 1; 2}"," B. M = {-7; -6; ... ; 1; 2}"," C. M = {-7; -6; ... ; 1; 2; 3}","D. M = {-8; -7; -6; ... ; 1; 2; 3}"],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>M = {$x \\in Z $\/$-8 < x \\le 3 $} t\u1ee9c l\u00e0: x l\u00e0 s\u1ed1 nguy\u00ean, x l\u1edbn h\u01a1n -8 v\u00e0 nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 3<br\/> x l\u1edbn h\u01a1n -8 v\u00e0 nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 3 g\u1ed3m: 3 v\u00e0 c\u00e1c s\u1ed1 nguy\u00ean n\u1eb1m gi\u1eefa -8 v\u00e0 3<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>C\u00e1c s\u1ed1 nguy\u00ean n\u1eb1m gi\u1eefa -8 v\u00e0 3 l\u00e0: -7; -6; -5; -4; -3; -2; -1; 0; 1; 2<br\/> V\u1eady M = {-7; -6; ... ; 1; 2; 3}<br\/> Ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <span class='basic_pink'> C. M = {-7; -6; ... ; 1; 2; 3} <\/span><\/span> <br\/>","column":2}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:47"},{"id":"932","post_id":"761","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["-10","- 10"," -10","-10 "]]],"list":[{"point":10,"width":50,"type_input":"","ques":"<center><img src='img\/5.jpg' \/><\/center>S\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 li\u1ec1n tr\u01b0\u1edbc s\u1ed1 11 l\u00e0: _input_","hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>B\u01b0\u1edbc 1: T\u00ecm s\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 11, <b>( S\u1ed1 nguy\u00ean a \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 nguy\u00ean b khi a < b v\u00e0 kh\u00f4ng c\u00f3 s\u1ed1 nguy\u00ean n\u00e0o n\u1eb1m gi\u1eefa a v\u00e0 b) <\/b><br\/>B\u01b0\u1edbc 2: T\u00ecm s\u1ed1 \u0111\u1ed1i <b>(c\u00e1c s\u1ed1 \u0111\u1ed1i nhau l\u00e0 c\u00e1c s\u1ed1 c\u00e1ch \u0111\u1ec1u \u0111i\u1ec3m 0 v\u00e0 n\u1eb1m \u1edf hai ph\u00eda c\u1ee7a \u0111i\u1ec3m 0 )<\/b><\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>S\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 11 l\u00e0: 10<br\/>S\u1ed1 \u0111\u1ed1i c\u1ee7a 10 l\u00e0: -10<br\/>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u00e0: <span class='basic_pink'>-10<\/span><\/span> <br\/> "}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:47"},{"id":"933","post_id":"761","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["-12","- 12"," -12","-12 "]]],"list":[{"point":10,"width":50,"type_input":"","ques":"<center><img src='img\/4.jpg' \/><\/center>S\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 11 l\u00e0: _input_","hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>B\u01b0\u1edbc 1: T\u00ecm s\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 11 <b>(c\u00e1c s\u1ed1 \u0111\u1ed1i nhau l\u00e0 c\u00e1c s\u1ed1 c\u00e1ch \u0111\u1ec1u \u0111i\u1ec3m 0 v\u00e0 n\u1eb1m \u1edf hai ph\u00eda c\u1ee7a \u0111i\u1ec3m 0 )<\/b><br\/>B\u01b0\u1edbc 2: T\u00ecm s\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 11, <b> S\u1ed1 nguy\u00ean a \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 nguy\u00ean b khi a < b v\u00e0 kh\u00f4ng c\u00f3 s\u1ed1 nguy\u00ean n\u00e0o n\u1eb1m gi\u1eefa a v\u00e0 b<\/b><\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>S\u1ed1 \u0111\u1ed1i c\u1ee7a s\u1ed1 11 l\u00e0: -11<br\/>S\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a -11 l\u00e0: -12<br\/>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u00e0: <span class='basic_pink'>-12<\/span><\/span> <br\/> "}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"87","test":"0","date":"2019-09-30 09:14:47"}]}