摘要:观察2的正整数次幂:21 = 2.22 = 4.23 = 8.24 = 16.25 = 32.26 = 64.27 = 128. 28 = 256.29 = 512.- 根据你的观察.请判断 22003 的个位数字是几?
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(2010•湛江)3的正整数次幂:31=3,32=9,33=27,34=81,35=243,36=729,37=2187,38=6561…观察归纳,可得32007的个位数字是( )
A.1
B.3
C.7
D.9
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A.1
B.3
C.7
D.9
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(2010•湛江)3的正整数次幂:31=3,32=9,33=27,34=81,35=243,36=729,37=2187,38=6561…观察归纳,可得32007的个位数字是( )
A.1
B.3
C.7
D.9
查看习题详情和答案>>
A.1
B.3
C.7
D.9
查看习题详情和答案>>