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Answers and rating deltas for
Proving if a^2 -b^2 is even, a-b is also even
| Author | Votes | Δ |
|---|---|---|
| shuttle87 | 3 | +1.49 |
| Charles | 1 | +0.16 |
| ignaciosellan | 0 | -2.62 |
| leonbloy | 0 | -1.32 |
Last visited: Apr 27, 2015, 8:07:21 PM