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Answers and rating deltas for

Why would SUM(COL1 + COL2) and SUM(COL1) + SUM(COL2) yield differently?

Author Votes Δ
usr 5 +1.30
Damien_The_Unbeliever 4 -0.38
DnL 0 -2.53
Last visited: May 1, 2015, 8:58:49 PM