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题目:
If n =
-8, what is the units digit of n?
选项:
A、0
B、1
C、4
D、6
E、8
答案:
C
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这题我知道8^11 的个位数是4,但是还要减去8以后个位数不就变成6了嘛
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1
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1837
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这道题我是数出来的,但如果指数变大到没有办法数的时候,应该用什么方法解呢? 谢谢老师! : )
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