(15x^4y4-9x^5y^3-3x^6y^2)/(-3x^2y)^2
问题描述：
(15x^4y4-9x^5y^3-3x^6y^2)/(-3x^2y)^2
要步骤
完整版的
答
解(15x^4y^4-9x^5y³-3x^6y²)/(-3x²y)²=(15x^4y^4-9x^5y³-3x^6y²)/(3x²y)(3x²y)=(3x²y)(5x²y³-3x³y²-x^4y)/(3x²y)(3x²y)=(5x²y...