计算:(-5xy^2)*(2x)^3 计算:-(-4x^2y)^3*(-y^3)^5
问题描述:
计算:(-5xy^2)*(2x)^3 计算:-(-4x^2y)^3*(-y^3)^5
答
(1)(-5xy²)×(2x)³
原式=(-5xy²)×8x³
=-40x^4y²
(2)-(-4x²y)³×(-y³)^5
原式=64x^6y³×(-y^15)
=-64x^6y^18