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. $$(y+1)^{x-1} + 1$$
应版权方要求,不支持在线看题功能,感谢您的理解。
正确率: 41%
难度:
选择材料题号
题目来源
题目来源1:Magoosh