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Answers and rating deltas for

if x = 3 and z is unassigned, why does z = x-- - --x evaluates to 2?

Author Votes Δ
Samuli Hakoniemi 17 +3.85
SimpleVar 8 -0.05
Vitaly Dyatlov 5 -2.92
Last visited: Sep 14, 2014, 5:07:29 AM