pure mathtvb now,tvbnow,bttvb, v8 L+ `! Y' S
公仔箱論壇! m8 K% Q$ P: D+ U
[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+ywww3.tvboxnow.com! X# n, _- a0 ` P3 n+ h3 j
' D. _3 o. _- G0 S# U0 \+ ?tvb now,tvbnow,bttvbif x = 111 y = 2222, you number is 111-2222 |