GMAT 考满分题库

Magoosh - 数学PS - 408
For how many unique coordinate points (P, Q), such that P and Q are integers, is it true that $$P^{2} - Q^{2} =$$ 1155?
  • A16
  • B24
  • C32
  • D48
  • E64
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正确答案: C

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