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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  4 a# R3 E I* K# o- j' i6 T9 M
11x + 5y = 100 Formula 5
11X must be 0 or multiple of 5
# O: P4 o' c' r* n+ \5 J4 t4 w. h! ^公仔箱論壇that meanz x must be 0 or 5 |
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