pure math
# c7 S& [( P7 [) t5.39.217.77
- I7 U# i7 q2 nTVBNOW 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, ]0 [4 ?3 J9 D8 a( v% b
0 y( r' S; X- I \5 P5.39.217.77if x = 111 y = 2222, you number is 111-2222 |