计算:(5+1)(52+1)(54+1)(58+1)(516+1)+1/4=_.
问题描述:
计算:(5+1)(52+1)(54+1)(58+1)(516+1)+
=______. 1 4
答
(5+1)(52+1)(54+1)(58+1)(516+1)+
,1 4
=
(5-1)(5+1)(52+1)(54+1)(58+1)(516+1)+1 4
,1 4
=
(532-1)+1 4
,1 4
=
.532 4