(-2X²y³)²﹡(xy)³ 怎样算?

问题描述:

(-2X²y³)²﹡(xy)³ 怎样算?

(-2X²y³)²(xy)³
=(-2)^2*x^(2*2+3)*y^(3*2+3)
=4x^7y^9.