(-2X²y³)²﹡(xy)³ 怎样算?
问题描述:
(-2X²y³)²﹡(xy)³ 怎样算?
答
(-2X²y³)²(xy)³
=(-2)^2*x^(2*2+3)*y^(3*2+3)
=4x^7y^9.