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shahdevine
- Master | Next Rank: 500 Posts
- Posts: 197
- Joined: Sun May 18, 2008 2:47 am
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let s and t be odd integers. is (s-t)/2 even?
1) s+t is even
2) s-t is even
oa after some discussion.
thnkx
1) s+t is even
2) s-t is even
oa after some discussion.
thnkx
