作业帮(2x)^2+(-3)^2-(-2x)^2 (-1/4a^3n-1 b^m-1 )^2*(4a^3n-1 b^m+1)^2(2x)^2+(-3)^2-(-2x)^2(-1/4a^3n-1 b^m-1 )^2*(4a^3n-1 b^m+1)^2
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(2x)^2+(-3)^2-(-2x)^2 (-1/4a^3n-1 b^m-1 )^2*(4a^3n-1 b^m+1)^2(2x)^2+(-3)^2-(-2x)^2(-1/4a^3n-1 b^m-1 )^2*(4a^3n-1 b^m+1)^2
(2x)^2+(-3)^2-(-2x)^2 (-1/4a^3n-1 b^m-1 )^2*(4a^3n-1 b^m+1)^2
(2x)^2+(-3)^2-(-2x)^2
(-1/4a^3n-1 b^m-1 )^2*(4a^3n-1 b^m+1)^2
(2x)^2+(-3)^2-(-2x)^2 (-1/4a^3n-1 b^m-1 )^2*(4a^3n-1 b^m+1)^2(2x)^2+(-3)^2-(-2x)^2(-1/4a^3n-1 b^m-1 )^2*(4a^3n-1 b^m+1)^2
=4x2+9-4x2a12n-4b4m
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x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x)
填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x
七年级下册政治复习提纲(山东人民出版社)第五单元是 青春的脚步 青春的气息别弄错了啊!格式：X X X X X X X X X 1、X X X X X X X X X X.2、X X X X X X X X X.3、X X X X X X X X X X X.
x(x-2)(x-3)
{x|(x+3)(x-2)
-x^3+x^2-x
x×x+3x-9/ x+2
x+2x+3x+.+100x
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x^2-3x
|X+3|+|X-2|
|x+3|+|x-2|
3x-2x
|x-2|-|x-3|
|x+3|+|x-2|
x^(-2)-x^(-3)
|x+3|+|x-2|