问题
解答题
(2x2y)2-(-7xy2)÷(14x4y3)
答案
(2x2y)2•(-7xy2)÷(14x4y3)
=4x4y2•(-7xy2)÷(14x4y3)
=-28x5y4÷(14x4y3)
=-2xy.
(2x2y)2-(-7xy2)÷(14x4y3)
(2x2y)2•(-7xy2)÷(14x4y3)
=4x4y2•(-7xy2)÷(14x4y3)
=-28x5y4÷(14x4y3)
=-2xy.