11点前务必答出!)1:4a(x-2)²-2b(2-x)³2:(2x+3)(x-2y)+(x-2y)(x+1)+(2y-x)3:m²(a²+b²)-mn(b²+a²)+mp(a²+b²)4:6p(x-1)²-8p²(1-x)²5:(a-b)的2n次方-(b-a)2n+1次方
问题描述:
11点前务必答出!)
1:4a(x-2)²-2b(2-x)³
2:(2x+3)(x-2y)+(x-2y)(x+1)+(2y-x)
3:m²(a²+b²)-mn(b²+a²)+mp(a²+b²)
4:6p(x-1)²-8p²(1-x)²
5:(a-b)的2n次方-(b-a)2n+1次方
答