RyanC

原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表
* M' C+ l" F8 y- Y. @, i11x + 5y = 100 Formula 5

) ?6 |9 N( K  F& Z8 w5 i* [$ U11X must be 0 or multiple of 5
- Z* t% }' g, e; Y: }' Y* {that meanz x must be 0 or 5