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Answers and rating deltas for
Implementing `sumproduct` in UNIX shell
| Author | Votes | Δ |
|---|---|---|
| glenn jackman | 3 | +2.17 |
| Charles Duffy | 2 | -0.69 |
| karakfa | 2 | +0.20 |
| Walter A | 0 | -1.23 |
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