{"common":{"save":0,"post_id":"969","level":2,"total":20,"point":5,"point_extra":0},"segment":[{"id":"221","post_id":"969","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":[[["4"],["1"],["0"],["1"],["4"]]],"list":[{"point":5,"width":50,"type_input":"","ques":"<table><tr><td>a<\/td><td>-2<\/td><td>-1<\/td><td>0<\/td><td>1<\/td><td>2<\/td><\/tr><tr><td>$a^{2}$<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><\/tr><\/table>","explain":" Thay l\u1ea7n l\u01b0\u1ee3t gi\u00e1 tr\u1ecb c\u1ee7a $a$ v\u00e0o $a^{2}$ <br\/> V\u1edbi $a = -2 $ th\u00ec $ (-2)^{2} = 4$ <br\/>V\u1edbi $a = -1 $ th\u00ec $ (-1)^{2} = 1$ <br\/> V\u1edbi $a = 0 $ th\u00ec $ (0)^{2} = 0$ <br\/> V\u1edbi $a = 1 $ th\u00ec $ (1)^{2} = 1$ <br\/> V\u1edbi $a = 2 $ th\u00ec $ (2)^{2} = 4$ <br\/> <br\/> <span class='basic_pink'> Gi\u00e1 tr\u1ecb c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0 $4; 1; 0; 1; 4$.<\/span><\/span> <span class='basic_left'> <i> L\u01b0u \u00fd: <\/i> $\\bullet$ L\u0169y th\u1eeba b\u1eadc ch\u1eb5n c\u1ee7a m\u1ed9t s\u1ed1 \u00e2m l\u00e0 m\u1ed9t s\u1ed1 d\u01b0\u01a1ng. <br\/> $\\qquad \\quad \\bullet$ L\u0169y th\u1eeba c\u1ee7a m\u1ed9t s\u1ed1 d\u01b0\u01a1ng l\u00e0 m\u1ed9t s\u1ed1 d\u01b0\u01a1ng. <\/span> <br\/> "}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:22:44"},{"id":"222","post_id":"969","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":[[["-8"],["-1"],["0"],["1"],["8"]]],"list":[{"point":5,"width":50,"type_input":"","ques":"<table><tr><td>a<\/td><td>-2<\/td><td>-1<\/td><td>0<\/td><td>1<\/td><td>2<\/td><\/tr><tr><td>$a^{3}$<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><td>_input_<\/td><\/tr><\/table>","explain":"Thay l\u1ea7n l\u01b0\u1ee3t gi\u00e1 tr\u1ecb c\u1ee7a $a$ v\u00e0o $a^{3}$ <br\/> V\u1edbi $a = -2 $ th\u00ec $ (-2)^{3} = -8$ <br\/> V\u1edbi $a = -1 $ th\u00ec $ (-1)^{3} = -1$ <br\/> V\u1edbi $a = 0 $ th\u00ec $ 0^{3} = 0$ <br\/> V\u1edbi $a = 1 $ th\u00ec $ 1^{3} = 1$ <br\/> V\u1edbi $a = 2 $ th\u00ec $ 2^{3} = 8$ <br\/> <br\/> <span class='basic_pink'> Gi\u00e1 tr\u1ecb c\u1ea7n \u0111i\u1ec1n l\u00e0 $-8; -1 ; 0; 1; 8$.<\/span><\/span> <span class='basic_left'> <i> L\u01b0u \u00fd: <\/i> L\u0169y th\u1eeba b\u1eadc l\u1ebb c\u1ee7a m\u1ed9t s\u1ed1 \u00e2m l\u00e0 m\u1ed9t s\u1ed1 \u00e2m. <\/span> <br\/>"}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:22:44"},{"id":"223","post_id":"969","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00fang hay sai","options":{"time":9,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00fang hay sai","title_trans":"M\u1ed7i \u0111\u1eb3ng th\u1ee9c sau c\u00f3 \u0111\u00fang v\u1edbi m\u1ecdi s\u1ed1 h\u1eefu t\u1ec9 x v\u00e0 y hay kh\u00f4ng?","temp":"true_false","correct":[["f","t","t","f"]],"content":"","list":[{"point":5,"image":"","col_name":["","\u0110\u00fang","Sai"],"arr_ques":[" $ -x^{4} = (-x)^{4} $ "," $ -x^{3} = (-x)^{3} $ "," $ (-x)^{2} = x^{2} $ ","$ (-x)^{5} = x^{5} $"],"hint":" <br\/> $\\bullet$ L\u0169y th\u1eeba b\u1eadc ch\u1eb5n c\u1ee7a m\u1ed9t s\u1ed1 \u00e2m l\u00e0 m\u1ed9t s\u1ed1 d\u01b0\u01a1ng. <br\/> $ \\bullet$ L\u0169y th\u1eeba b\u1eadc l\u1ebb c\u1ee7a m\u1ed9t s\u1ed1 \u00e2m l\u00e0 m\u1ed9t s\u1ed1 \u00e2m.","explain":[" Do L\u0169y th\u1eeba b\u1eadc ch\u1eb5n c\u1ee7a m\u1ed9t s\u1ed1 \u00e2m l\u00e0 m\u1ed9t s\u1ed1 d\u01b0\u01a1ng n\u00ean $ -x^{4} = (-x)^{4} $ (Sai). \u0110\u1eb3ng th\u1ee9c \u0111\u00fang khi $x = 0 $ ","<br\/> Do L\u0169y th\u1eeba b\u1eadc l\u1ebb c\u1ee7a m\u1ed9t s\u1ed1 \u00e2m l\u00e0 m\u1ed9t s\u1ed1 \u00e2m n\u00ean $ -x^{3} = (-x)^{3} $ (\u0110\u00fang) ","<br\/> Do L\u0169y th\u1eeba b\u1eadc ch\u1eb5n c\u1ee7a m\u1ed9t s\u1ed1 \u00e2m l\u00e0 m\u1ed9t s\u1ed1 d\u01b0\u01a1ng n\u00ean $ (-x)^{2} = x^{2}$ (\u0110\u00fang). ","<br\/>Do L\u0169y th\u1eeba b\u1eadc l\u1ebb c\u1ee7a m\u1ed9t s\u1ed1 \u00e2m l\u00e0 m\u1ed9t s\u1ed1 \u00e2m n\u00ean $ (-x)^{5} = x^{5} $ (Sai). \u0110\u1eb3ng th\u1ee9c \u0111\u00fang khi $x = 0 $ "]}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:22:44"}]}