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23#
發表於 2009-3-26 01:29 PM
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pure math
; b) _2 ^- V" r8 Y5 j公仔箱論壇tvboxnow.com& l% D" I3 t9 G" Y2 M
[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y
5 U( V) `. k* D$ mtvb now,tvbnow,bttvbtvboxnow.com. l+ d2 z1 ~* {0 U
if x = 111 y = 2222, you number is 111-2222 |
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