ChaseDream
标题:
odd
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作者:
dusty6662002
时间:
2007-12-18 13:33
标题:
odd
If W,X,Y, and Z are integers such that W/X and Y/Z are integers, is W/X and Y/Z odd?
(1) WX + YZ is odd
(2) WZ + XY is odd
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