GMAT 考满分题库

- 数学PS -
It is given that:√x and √y are integers, which of the following must be an integer?
I. √x√y
II. √(x+y)
III. √x/√y
  • AI
  • BII
  • CIII
  • DI and II
  • EI and II and III
显示答案
正确答案: A

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