关于GWD-4-4滔滔第四题的问题

winny0821

GWD-4-4滔滔
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. n=0



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

1怎么错了？

victoria820

N等于0的时候，2的零次方为1，除3余数还是1，符合题意

sayysong

1除3商0 余1

winny0821

非常感谢！