pure math
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( v( p. X. w z! k8 {* _' e公仔箱論壇[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y
# V3 C* ^9 T! @$ K2 Y" d) I公仔箱論壇公仔箱論壇6 \% `) N7 ^' O5 ~! m; G+ W& f
if x = 111 y = 2222, you number is 111-2222 |