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| Differences Do Dozen? (Posted on 2007-03-28) |
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Pick four integers. Calculate their six pairwise differences. Multiply all those differences. Prove that the result is a multiple of 12.
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 | yes, they do | Ady TZIDON | 2007-03-28 07:39:50 |
| Dozen | Jer | 2007-03-28 07:33:45 |
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