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计算:(5+1)(52+1)(54+1)(58+1)(516+1)+
1
4
=______.
人气:175 ℃ 时间:2019-08-19 05:10:54
解答
(5+1)(52+1)(54+1)(58+1)(516+1)+
1
4

=
1
4
(5-1)(5+1)(52+1)(54+1)(58+1)(516+1)+
1
4

=
1
4
(532-1)+
1
4

=
532
4
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