activity共享元素动画:帮我看看这道题(用简便方法)

来源:百度文库 编辑:高校问答 时间:2024/05/05 07:06:10
2(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1

把2写成(3-1),那么上式就变成了:

(3-1)(3+1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1
=(3^2-1)(3^2+1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1
=(3^4-1)(3^4+1)(3^8+1)(3^16+1)(3^32+1)+1
……
=(3^64-1)+1
=3^64