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發表於 2007-10-14 10:46 PM
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原帖由 twinsdragon 於 2007-10-13 05:40 PM 發表  9 [7 {% z. M1 y1 R( a b( p7 _
11x + 5y = 100 Formula 5
11X must be 0 or multiple of 5
a/ \( U* J& \' E3 x2 v, I% Ctvb now,tvbnow,bttvbthat meanz x must be 0 or 5 |
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