pure math
- }: }! Q8 c H/ a9 j7 q/ Stvb now,tvbnow,bttvb
! p0 D& y" ]6 |# q公仔箱論壇[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+ytvb now,tvbnow,bttvb3 x" @! ]0 X0 e
) B( A8 d# V* A" Q6 o1 s- ytvb now,tvbnow,bttvbif x = 111 y = 2222, you number is 111-2222 |