pure math' i' l6 t9 b& N% y
tvb now,tvbnow,bttvb7 W8 D* Y3 v" n7 U
[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y
5 v8 s! {5 m! P' otvb now,tvbnow,bttvb
. D* D9 {) A W2 }# ytvb now,tvbnow,bttvbif x = 111 y = 2222, you number is 111-2222 |