GMAT 考满分题库

- 数学PS -
If a is even, b is odd, and $$a^{2}+b^{2}=x$$ which of following must be true?
  • Ax is the square of an integer.
  • Bx is odd.
  • Cx is a multiple of a.
  • Dx is prime.
  • E$$x=a^{2}-b^{2}$$
显示答案
正确答案: B

讨论题目 或 发起提问

|

题目讨论

  • 按热度
  • 按顺序

最新提问