1/2ab^2*(2a^2b-3ab^2)
是计算题(x-5y)(-x+5y)-(-x+5y)^28x^2-(x-2)(3x+1)-2(x+1)(x-1)因式分解:a^2(x-y)+16(y-x)(x^2+y^2)...
是计算题
(x-5y)(-x+5y)-(-x+5y)^2
8x^2-(x-2)(3x+1)-2(x+1)(x-1)
因式分解:
a^2(x-y)+16(y-x)
(x^2+y^2)^2-4x^2y^2 展开
(x-5y)(-x+5y)-(-x+5y)^2
8x^2-(x-2)(3x+1)-2(x+1)(x-1)
因式分解:
a^2(x-y)+16(y-x)
(x^2+y^2)^2-4x^2y^2 展开
2011-06-04
展开全部
1/(2ab^2)*(2a^2b-3ab^2)
=a/b-3/2
=a/b-3/2
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