【11点前务必答出!）1：4a(x-2)amp;sup2;-2b(2-x)amp;sup3;2:(2x+3)(x-2y)+(x-2y)(x+1)+(2y-x)3:mamp;sup2;(aamp;sup2;+bamp;sup2;)-mn(bamp;sup2;+aamp;sup2;）+mp（aamp;sup2;+bamp;sup2;）4：6p(x-1)amp;sup2;-8pamp;sup2;(1-x
<p>问题：【11点前务必答出!）1：4a(x-2)amp;sup2;-2b(2-x)amp;sup3;2:(2x+3)(x-2y)+(x-2y)(x+1)+(2y-x)3:mamp;sup2;(aamp;sup2;+bamp;sup2;)-mn(bamp;sup2;+aamp;sup2;）+mp（aamp;sup2;+bamp;sup2;）4：6p(x-1)amp;sup2;-8pamp;sup2;(1-x)amp;sup2;5：（a-b)的2n次方-（b-a)2n+1次方】<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">李红松的回答：<div class="content-b">网友采纳 1：4a(x-2)²-2b(2-x)³=4a(x-2)²+2b(x-2)³=2(x-2)²=2(x-2)²(bx+2a-2b)2:(2x+3)(x-2y)+(x-2y)(x+1)+(2y-x)=(2x+3)(x-2y)+(x-2y)(x+1)-(x-2y)=(x-2y)[(2x+3)+(x+1)-1]=3(x-2y...
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