pure mathTVBNOW 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。2 F- r7 F8 o7 c2 ?7 i" S. R, [
4 Y! w9 G( z4 @/ F) M! P9 Z[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y
8 X E1 d$ ?! p. Xtvb now,tvbnow,bttvb2 N% D1 f! `: q2 x0 \+ w# c* K- j
if x = 111 y = 2222, you number is 111-2222 |