试题 试卷
题型:解答题 题类:常考题 难易度:普通
解:原式=(2﹣1)(2+1)(22+1)(24+1)
=(22﹣1)(22+1)(24+1)
=(24﹣1)(24+1)
=28﹣1
根据上题求:(2+1)(22+1)(24+1)(28+1)…(232+1)+1的个位数字.
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