问题描述:
1(-7x^2y)(2x^2y-3xy^3+xy) 2.(x^4y+6x^3y^2-x^2y^3)/(3x^2y) 3.(2m+n-p)(2m-n+p)
(-5x+3/2)(-5x-1.5)
(-5x+3/2)(-5x-1.5)
问题解答:
我来补答展开全文阅读
问题描述:
问题解答:
我来补答