计算 (a²-2ab+b²-a+b)÷(a-b) (a+b)²÷(a-b)
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计算 (a²-2ab+b²-a+b)÷(a-b) (a+b)²÷(a-b)
计算 (a²-2ab+b²-a+b)÷(a-b) (a+b)²÷(a-b)
计算 (a²-2ab+b²-a+b)÷(a-b) (a+b)²÷(a-b)
a-b-1
a-b分之(a+b)²
(a²-2ab+b²-a+b)÷(a-b)=(a-b)(a+b+1)/(a-b)=a+b+1
(a+b)²÷(a-b)应该这个是最简了的吧