化简:x-y/x+3y÷x^2-y^2/x^2+6xy+9y^2-2y/x+y
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/11 15:35:25
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化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x
(x+y)-(x-y)^3÷(x-y)(x+y)×2y化简e ,
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x²/xy-x/y 3x/4x+y - x-2y/4x+y (1-y/y+x)÷x/y²-x²
[2(x-y)^5-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2[2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2]÷2(x-y)^2
x(x-y)2-(y-x)3
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化简:[(x+y)(x-y)(x+y)^2-2y(x-2y)](-2y) 谢谢!
[(-x-y)(-x+y)-(x+y)^2-x(y-y^2)}÷1/2y
[2/3x-2/x+y(x+y/3x-x-y)]/x-y/x
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