化简:[(2x-y)平方+(2x+y)(2x-y)-4x(x-y+1)]÷2x
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/25 11:59:51
化简:[(2x-y)平方+(2x+y)(2x-y)-4x(x-y+1)]÷2x
![化简:[(2x-y)平方+(2x+y)(2x-y)-4x(x-y+1)]÷2x](/uploads/image/z/3666841-25-1.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%9A%5B%282x-y%29%E5%B9%B3%E6%96%B9%2B%EF%BC%882x%2By%29%282x-y%29-4x%28x-y%2B1%29%5D%C3%B72x)
原始=(4x²-4xy+y²+4x²-y²-4x²+4xy-4x)÷2x
=(4x²-4x)÷2x
=4x²÷2x-4x÷2x
=2x-2
=(4x²-4x)÷2x
=4x²÷2x-4x÷2x
=2x-2
化简:[(2x-y)平方+(2x+y)(2x-y)-4x(x-y+1)]÷2x
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1、x(x-y)(x+y)-x(x+y)^2
化简(x平方-y平方)/(x+y)+(x平方-2xy+y平方)/(x-y)
(1)(x^2/x)-y-x-y
[(-x-y)(-x+y)-(x+y)^2-x(y-y^2)}÷1/2y
(x-2y)(x-2y)(x平方+4y平方)的平方(x+2y)(x+2y)
先化简再求值(x-y)(x+y)-(x-2y) 的完全平方+x(3x-5y)-(x-y)(x-2y),其中x=1/2 y
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x^2-y^2/x+y-4x(x-y)+y^2/2x-y,
化简(x-2y)平方-(2x-y)(-2x-y)+(x-5y)(x+2y)