﹙﹣2)²ºº²﹢﹙﹣2)²ºº¹=多少

问题描述:

﹙﹣2)²ºº²﹢﹙﹣2)²ºº¹=多少

﹙﹣2)²ºº²﹢﹙﹣2)²ºº¹
= (-1)²ºº² X 2²ºº² +(-1)²ºº¹ X 2²ºº¹
= 2 X 2²ºº¹ +(-1)X 2²ºº¹
= (2-1) X 2²ºº¹
= 2²ºº¹