化简:(a+2b/a+b)+(2b²/a²-b²)

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化简:(a+2b/a+b)+(2b²/a²-b²)化简:(a+2b/a+b)+(2b²/a²-b²)化简:(a+2b/a+b)+(2b

化简:(a+2b/a+b)+(2b²/a²-b²)
化简:(a+2b/a+b)+(2b²/a²-b²)

化简:(a+2b/a+b)+(2b²/a²-b²)
原式=[(a+2b)(a-b)]/[(a+b)(a-b)]+[2b²/(a+b)(a-b)]
=[(a+2b)(a-b)+2b²]/[(a+b)(a-b)]
=(a²+ab-2b²+2b²)/[(a+b)(a-b)]
=[a(a+b)]/[(a+b)(a-b)]
=a/(a-b)