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(3x^2y^2)y^2+(-xy)*(-4xy^3)
题目详情
(3x^2y^2)y^2+(-xy)*(-4xy^3)
▼优质解答
答案和解析
(3x^2y^2)y^2+(-xy)*(-4xy^3)
=3x^2y^4+4x^2y^4
=7x^2y^4
=3x^2y^4+4x^2y^4
=7x^2y^4
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