pure math( _$ G. W/ n' H: R: s7 d) i- C
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[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y公仔箱論壇' c7 N3 f! W* {0 ^! y B. g
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if x = 111 y = 2222, you number is 111-2222作者: tingking55 時間: 2009-3-28 04:30 PM