{"common":{"save":0,"post_id":"808","level":2,"total":20,"point":5,"point_extra":0},"segment":[{"id":"1671","post_id":"808","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n \u0111\u00e1p \u00e1n \u0111\u00fang v\u00e0o \u00f4 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n \u0111\u00e1p \u00e1n \u0111\u00fang v\u00e0o \u00f4 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["16"],["49"]]],"list":[{"point":5,"width":50,"type_input":"","input_hint":["frac"],"ques":" T\u00ednh. <br\/><br\/> $\\left( \\dfrac{-4}{7} \\right)^2$ = <div class=\"frac123\"><div class=\"ts\">_input_<\/div><div class=\"ms\">_input_<\/div><\/div>","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> C\u00e1ch 1: <\/b> T\u00ednh $ \\left( \\dfrac{-4}{7} \\right)^2 = \\dfrac{-4}{7} . \\dfrac{-4}{7}$ <br\/> <b> C\u00e1ch 2: <\/b> $\\left( \\dfrac{-4}{7} \\right)^2 = \\dfrac{(-4)^2}{7^2}$ <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: $\\left( \\dfrac{-4}{7} \\right)^2 = \\dfrac{(-4)^2}{7^2} = \\dfrac{16}{49}$<br\/> <span class='basic_green'> <i> L\u01b0u \u00fd: L\u0169y th\u1eeba c\u1ee7a m\u1ed9t th\u01b0\u01a1ng b\u1eb1ng th\u01b0\u01a1ng c\u00e1c l\u0169y th\u1eeba $\\left( \\dfrac{a}{b} \\right)^m = \\dfrac{a^m}{a^m}$ <\/i> <\/span> "}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:54"},{"id":"1672","post_id":"808","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n \u0111\u00e1p \u00e1n \u0111\u00fang v\u00e0o \u00f4 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n \u0111\u00e1p \u00e1n \u0111\u00fang v\u00e0o \u00f4 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["27"],["64"]]],"list":[{"point":5,"width":50,"type_input":"","input_hint":["frac"],"ques":" T\u00ednh. <br\/><br\/> $\\left( \\dfrac{-3}{-4} \\right)^3$ = <div class=\"frac123\"><div class=\"ts\">_input_<\/div><div class=\"ms\">_input_<\/div><\/div>","hint":"","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> C\u00e1ch 1: <\/b> T\u00ednh $ \\left( \\dfrac{-3}{-4} \\right)^3 = \\dfrac{-3}{-4} . \\dfrac{-3}{-4} . \\dfrac{-3}{-4}$ <br\/> <b> C\u00e1ch 2: <\/b> $\\left( \\dfrac{-3}{-4} \\right)^3 = \\left( \\dfrac{3}{4} \\right)^3 = \\dfrac{3^3}{4^3}$ <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: $\\left( \\dfrac{-3}{-4} \\right)^3 = \\left( \\dfrac{3}{4} \\right)^3 = \\dfrac{3^3}{4^3} = \\dfrac{27}{64}$"}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:54"},{"id":"1673","post_id":"808","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":"Gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c $\\dfrac{-33}{40} . 12 . \\dfrac{-15}{22}$ l\u00e0: ","select":["A. $\\dfrac{27}{4} $ ","B. $ \\dfrac{-27}{4}$ ","C. $ \\dfrac{9}{16} $ ","D. $ \\dfrac{-9}{16}$"],"hint":"","explain":" <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> $\\dfrac{-33}{40} . 12 . \\dfrac{-15}{22} = \\dfrac{-33 . 12 . (-15)}{40 . 22} = \\dfrac{5940}{880} = \\dfrac{27}{4}$ <br\/> <span class='basic_pink'> V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A. $\\dfrac{27}{4}$ <\/span> ","column":4}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:54"}]}