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1#
發表於 2009-3-26 01:29 PM
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pure math
( [* n% g" i9 Otvb now,tvbnow,bttvb
- p3 E' v7 u3 t. Z. g3 S[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y
/ o/ J% ^" f) i2 z5.39.217.76
/ |+ P+ s2 Y9 Z% {+ J- d( A5.39.217.76if x = 111 y = 2222, you number is 111-2222 |
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