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GRE数学真题
If x and y are positive odd integers, then which of the following must also be a...
Question 6
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If x and y are positive odd integers, then which of the following must also be an odd integer?
I.
fff\(x^{y+1}\)/fff
II. x(y+1)
III.
fff\((y+1)^{x-1} + 1\)/fff
A.I only
B.II only
C.III only
D.I and III
E.None of the above
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