RyanC

原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表 ) s! J6 T" `  S- r+ o+ |
11x + 5y = 100 Formula 5

, b7 W9 U7 f+ }% m公仔箱論壇11X must be 0 or multiple of 5
( b+ ?& N/ w; Cthat meanz x must be 0 or 5