pure math& F* N: b' q- O. Y
tvb now,tvbnow,bttvb- l8 v: j( g, N6 c( t U9 b
[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y5.39.217.77:88985 w O* [6 z2 N! j- t$ F
; @: a) }; B& Jtvb now,tvbnow,bttvbif x = 111 y = 2222, you number is 111-2222 |