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23#
發表於 2009-3-26 01:29 PM
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pure math
5 U' c# R! m atvb now,tvbnow,bttvb
$ W: [6 R: ]& q. F1 b( _[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y
# v' h! w! b- s9 h$ L" E% m4 D5.39.217.77:8898公仔箱論壇& j M$ n3 N/ \$ w _" z* [
if x = 111 y = 2222, you number is 111-2222 |
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