【4ab/(a-b)+(a/b-b/a)÷(1/a+1/b)】÷(a²+2ab+b²)化简
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【4ab/(a-b)+(a/b-b/a)÷(1/a+1/b)】÷(a²+2ab+b²)化简
【4ab/(a-b)+(a/b-b/a)÷(1/a+1/b)】÷(a²+2ab+b²)化简
【4ab/(a-b)+(a/b-b/a)÷(1/a+1/b)】÷(a²+2ab+b²)化简
【4ab/(a-b)+(a/b-b/a)÷(1/a+1/b)】÷(a²+2ab+b²)
=【4ab/(a-b)+(a-b)(a+b)/(ab)÷(a+b)/(ab)】÷(a+b)²
=[4ab/(a-b) +(a-b)]/(a+b)²
=[(4ab+(a-b)²)/(a-b)]/(a+b)²
=[(a+b)²/(a-b)]/(a+b)²
=1/(a-b)
结果是1/(a-b) 只要简单的通分就可以
(a-b)^3-4ab(b-a)
(a-b)^3-4ab(b-a)
(a-b)3-4ab(b-a)
计算(a+b)[(a-b)(a-b)+ab]+(a-b[(a+b)(a+b)-ab]
ab(a-b)-a(b-a)
(a-b+4ab/a-b)(a+b-4ab/a+b)=
化简(a-b+4ab/a-b)(a+b-4ab/a+b)的结果是_______
化简(a-b+(a-b)分之4ab)(a+b-(a+b)分之4ab)
2a²b(a-b)+ab(a-b)²+4ab²(a-b)
(ab+b)(ab+b)-(a+b)(a+b)= (公式)
计算(a^-b^)(a^ ab b^)(a^-ab b^)
化简:a-(3ab+b)+(3a-4b-ab)
4ab/b^2(a-b)=
(a-b)平方+4ab
(a-b)²+4ab
(a b)^3-4ab
ab+a+b+1
a+b/ab化简