pure math
/ L5 x& H+ P( A5 @公仔箱論壇
+ {) @% @- T8 S" ?5.39.217.77:8898[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y
9 ^) ~# }" F W1 S5.39.217.77:8898
' u4 a5 x& U# y1 H: l$ _ s" P( a2 C1 Xtvb now,tvbnow,bttvbif x = 111 y = 2222, you number is 111-2222 |