-10x^3y除以-5x^2+25x^2y^2除以-5x^2=
问题描述:
-10x^3y除以-5x^2+25x^2y^2除以-5x^2=
答
-10x^3y÷(-5x^2)+25x^2y^2÷(-5x^2)
=2xy-5y^2