作业帮(a-b)(a^2+b^2)(a+b)[(x-y)^2-(x-y)(x+y)]/(2y)
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/05 02:49:41
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(a-b)(a^2+b^2)(a+b)[(x-y)^2-(x-y)(x+y)]/(2y)
(a-b)(a^2+b^2)(a+b)
[(x-y)^2-(x-y)(x+y)]/(2y)
(a-b)(a^2+b^2)(a+b)[(x-y)^2-(x-y)(x+y)]/(2y)
(a-b)(a^2+b^2)(a+b)
=(a^2+b^2)[(a+b)(a-b)]
=(a^2+b^2)(a^2-b^2)
=a^4-b^4
[(x-y)^2-(x-y)(x+y)]/(2y)
=(x^2-2xy+y^2-x^2+y^2)/(2y)
=(-2xy+2y^2)/(2y)
=2y(-x+y)/(2y)
=-x+y
(a-b)(a^2+b^2)(a+b)
=(a-b)(a+b)(a²+b²)
=(a²-b²)(a²-b²)
=a^4-b^4
[(x-y)^2-(x-y)(x+y)]/(2y)
=(x-y)(x-y-x-y)/(2y)
=(x-y)(-2y)/(2y)
=-(x-y)
=y-x
-2a(a+b)+b(a+b)
(a+2b)(a-2b)+(a-b)(a+b)-2(a-3b)(a-b)
5(a*a*b-3*a*a*b)-2*(a*a*b-7*a*b*b)
-a-b+2b^2/a+b
化简：|a+b|+|b-a|+|2b|
|a+b|-|b-a|+|2b|化简哦!
a-b+2b²/a+b
通分a-b,2b^/a+b
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化简：{[(2a-b)/(a+b)]-[b/(a-b)]}÷[(a-2b)/(a+b)]
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(a-b)(a+b)²-(a+b)(a-b)²+2b(a²+b²)
(a-b)(a+b)²-(a+b)(a-b)²+2b(a²+b²)
(2a-3b)[(a+b)-b(a-3b)]
化简：a-[b-2a-(a-b)]
化简（2a-b/a+b-b/a-b）÷a-2a/a-b