pure math
( o9 y0 m/ @, Q2 i" @. O5.39.217.77
+ p: l, m0 u% T: t* R/ `" T公仔箱論壇[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+ytvb now,tvbnow,bttvb& I, i; N3 ]; C) M% ~
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if x = 111 y = 2222, you number is 111-2222 |