{"common":{"save":0,"post_id":"778","level":2,"total":20,"point":5,"point_extra":0},"segment":[{"id":"1201","post_id":"778","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":5,"ques":" T\u00ecm s\u1ed1 nguy\u00ean x, bi\u1ebft:<br\/>106 - x = (-58) - 8","select":["A. x = 156","B. x = -156","C. x = 172","D. x = -172"],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>B\u01b0\u1edbc 1: T\u00ednh v\u1ebf ph\u1ea3i<br\/>B\u01b0\u1edbc 2: T\u00ecm x<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>$\\begin{align*}106 - x &= -58 - 8\\\\106 - x &= - (58 + 8)\\\\106 - x&= -66\\\\x&=106 - (-66)\\\\x&=106 + 66\\\\x&= 172\\end{align*}$<br\/>V\u1eady ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <span class='basic_pink'> C. x = 172<\/span><\/span> <br\/>","column":2}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:49"},{"id":"1202","post_id":"778","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":" T\u00ecm s\u1ed1 nguy\u00ean x, bi\u1ebft:<br\/>111 - x = (-78) - 8","select":["A. x = 181","B. x = -181","C. x = -197","D. x = 197"],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>B\u01b0\u1edbc 1: T\u00ednh v\u1ebf ph\u1ea3i<br\/>B\u01b0\u1edbc 2: T\u00ecm x<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>$\\begin{align*}111 - x &= (-78) - 8\\\\111 - x &= - (78 + 8)\\\\111 - x&= -86\\\\x&=111 - (-86)\\\\x&=111 + 86\\\\x&= 197\\end{align*}$<br\/>V\u1eady ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <span class='basic_pink'> D. x = 197<\/span><\/span> <br\/>","column":2}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:49"},{"id":"1203","post_id":"778","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":" T\u00ecm s\u1ed1 nguy\u00ean x, bi\u1ebft:<br\/>x - 108 = (-47) - 7","select":["A. x = 162","B. x = 54","C. x = -54","D. x = -162"],"hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>B\u01b0\u1edbc 1: T\u00ednh v\u1ebf ph\u1ea3i<br\/>B\u01b0\u1edbc 2: T\u00ecm x<\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>$\\begin{align*}x - 108 &= (-47) - 7\\\\x - 108 &= - (47 + 7)\\\\x - 108&= -54\\\\x&=-54 + 108\\\\x&=108 - 54\\\\x&= 54\\end{align*}$<br\/>V\u1eady ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <span class='basic_pink'> B. x = 54<\/span><\/span> <br\/>","column":2}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:49"}]}