pure math
. S7 R; j" U/ z& y3 D2 T7 i G7 E) Ytvb now,tvbnow,bttvbtvb now,tvbnow,bttvb. E3 ?( {/ U9 y9 s- Q/ q' G4 l5 c
[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+ytvb now,tvbnow,bttvb, o% t/ k* V- U0 f" u) z" ?
' d9 U- V2 K' _- ~& aif x = 111 y = 2222, you number is 111-2222 |