是说明[4/1m³+2n][4/1m³-2n]+(2n-4)(4+2n)的值与n无关.
问题描述：
是说明[4/1m³+2n][4/1m³-2n]+(2n-4)(4+2n)的值与n无关.
答
[4/m³+2n][4/m³-2n]+(2n-4)(4+2n)
=16/m^6-4n^2+4n^2-16
=16/m^6-16
它与n无关