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题库 > 数学PS > 题目46j08k
If x and y are positive odd integers, then which of the following must also be an odd integer?

I. $$x^{y+1}$$

II. x(y+1)

III. $$(y+1)^{x-1} + 1$$
  • AI only
  • BII only
  • CIII only
  • DI and III
  • ENone of the above
显示答案
正确答案: A

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