pure math
2 ]' D: Q3 }: h# H* Y/ s/ g1 y, |
4 A1 I# d3 E. r% A/ R) _[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y
1 i' \$ @& x G# Itvb now,tvbnow,bttvbTVBNOW 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。! z4 F- R& {/ w! ?+ ^
if x = 111 y = 2222, you number is 111-2222 |