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歡迎您訪問(wèn)數(shù)學(xué)考題練習(xí):式子(-1)2005+(-1)2006的值是!

數(shù)學(xué)考題練習(xí):式子(-1)2005+(-1)2006的值是

更新時(shí)間:2024-01-12 14:05:45作者:貝語(yǔ)網(wǎng)校

式子(-1)2005+(-1)2006的值是

A.-1

B.1

C.-2

D.0

試題答案

D

試題解析

根據(jù)-1的奇數(shù)次冪是-1,-1的偶數(shù)次冪是1進(jìn)行計(jì)算.

解答:(-1)2005+(-1)2006=-1+1=0.

故選D.

點(diǎn)評(píng):此題的關(guān)鍵是明確-1的奇數(shù)次冪是-1,-1的偶數(shù)次冪是1.

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