{"common":{"save":0,"post_id":"760","level":2,"total":20,"point":5,"point_extra":0},"segment":[{"id":"911","post_id":"760","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":" <center><img src='img\/2.jpg' \/><\/center><br\/> -3 <span class='basic_hoi_black'>?<\/span> |-7| ","select":[" A. <"," B >"," C. ="],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>Khi bi\u1ec3u di\u1ec5n tr\u00ean tr\u1ee5c s\u1ed1 ( n\u1eb1m ngang ), \u0111i\u1ec3m a n\u1eb1m b\u00ean tr\u00e1i \u0111i\u1ec3m b th\u00ec s\u1ed1 nguy\u00ean a nh\u1ecf h\u01a1n s\u1ed1 nguy\u00ean b, ng\u01b0\u1ee3c l\u1ea1i n\u1ebfu \u0111i\u1ec3m a n\u1eb1m b\u00ean ph\u1ea3i \u0111i\u1ec3m b th\u00ec s\u1ed1 nguy\u00ean a l\u1edbn h\u01a1n s\u1ed1 nguy\u00ean b.<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>Ta c\u00f3: | -7 | = 7<br\/> M\u00e0 khi bi\u1ec3u di\u1ec5n tr\u00ean tr\u1ee5c s\u1ed1 \u0111i\u1ec3m -3 n\u1eb1m b\u00ean tr\u00e1i \u0111i\u1ec3m 7, n\u00ean -3 < 7<br\/> V\u1eady -3 < | -7 |<br\/> Ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <span class='basic_pink'> A. < <\/span><\/span> <br\/>","column":3}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:47"},{"id":"912","post_id":"760","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":" <center><img src='img\/4.jpg' \/><\/center><br\/> | -11 | <span class='basic_hoi_black'>?<\/span> 0 ","select":[" A. <"," B >"," C. ="],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a |-11| r\u1ed3i so s\u00e1nh.<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>Ta c\u00f3: | -11 | = 11<br\/> 11 > 0 <br\/> N\u00ean | -11 | > 0 <br\/> Ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <span class='basic_pink'> B. > <\/span><\/span> <br\/>","column":3}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:47"},{"id":"913","post_id":"760","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_random","correct":[[["-2"," -2","- 2"," - 2"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":" <center><img src='img\/5.jpg' \/><\/center>S\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 -1 l\u00e0 s\u1ed1: _input_","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> S\u1ed1 nguy\u00ean a g\u1ecdi l\u00e0 <b> s\u1ed1 li\u1ec1n tr\u01b0\u1edbc <\/b> c\u1ee7a s\u1ed1 nguy\u00ean b n\u1ebfu <b> a < b <\/b> v\u00e0 kh\u00f4ng c\u00f3 s\u1ed1 nguy\u00ean n\u00e0o n\u1eb1m gi\u1eefa a v\u00e0 b ( l\u1edbn h\u01a1n a v\u00e0 nh\u1ecf h\u01a1n b). <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta th\u1ea5y: -2 < -1 v\u00e0 kh\u00f4ng c\u00f3 s\u1ed1 nguy\u00ean n\u00e0o n\u1eb1m gi\u1eefa -2 v\u00e0 -1 <br\/> N\u00ean s\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a s\u1ed1 -1 l\u00e0 s\u1ed1 -2<br\/>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u00e0: <span class='basic_pink'> -2<\/span> <\/span> "}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:47"}]}