(a²+b²)²-4a²b²
=a^4+2a²b+b^4-4a²b
=a^4-2a²b²+b^4
=(a²-b²)²
=(a-b)²(a+b)²
怎樣因式分解:(1)(a²+b²)²-4a²b²
怎樣因式分解:(1)(a²+b²)²-4a²b²
數(shù)學(xué)人氣:524 ℃時間:2020-04-19 03:55:28
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