pure math
( S8 P3 ~' \! Stvb now,tvbnow,bttvb
- l6 R) v! g% n9 q; UTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y5.39.217.77:8898- C, p& Z2 y' Q9 M; B
& R, a/ W/ K! ^3 T$ zif x = 111 y = 2222, you number is 111-2222 |