试题 试卷
题型:单选题 题类:常考题 难易度:普通
题目:化简:(2+1)(22+1)(24+1)
解:
(2+1)(22+1)(24+1)
=(2﹣1)(2+1)(22+1)(24+1)
=(22﹣1)(22+1)(24+1)
=(24﹣1)(24+1)
=28﹣1.
问题:
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