请教一个余数问题

rebeccatj · 发表于 2012-10-29 17:09:58

Q4:
For a nonnegative integer n, if the remainder is 1 when 2ⁿ is divided by 3, then which of the following must be true?

I.n is greater than zero.
II.3ⁿ = (-3)ⁿ
III.√2ⁿis an integer.

A.I only
B.II only
C.I and II
D.I and III
E.II and III
Answer: 1除以3是余1么？还是商1余-2

rebeccatj · 发表于 2012-10-31 23:40:12

[quote]
N must be an even number, including 0, for the remainder to be 1.

-- by 会员 beihorse (2012/10/30 21:11:44)

[/quot]
thanks.

beihorse · 发表于 2012-10-30 21:11:44

N must be an even number, including 0, for the remainder to be 1.

rebeccatj · 发表于 2012-10-30 20:53:49

余1

-- by 会员 zkybq (2012/10/29 17:57:49)

哦，谢谢啦~我大概确定了，那种不够除数的就直接余被除数是吧？

zkybq · 发表于 2012-10-29 17:57:49

余1

请教一个余数问题

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