计算(-X)的2次方乘以(-2Y)的3次方+(-XY)的2次方乘以Y等于多少?

2024-12-28 01:46:10
推荐回答(2个)
回答1:

(-X)的2次方乘以(-2Y)的3次方+(-XY)的2次方乘以Y
=-4x²y³+x²y³
=-3x²y³

回答2:

-8X²Y³+X²Y²