GMAT 考满分题库

- 数学PS -
In the rectangular coordinate system, the length of AB equals to that of AC. A(0,0), B(1,3). If the coordinates of point C are all integers, then C has 8 possible positions. How many different values does BC have?
  • A1
  • B2
  • C3
  • D4
  • E5
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正确答案: E

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