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23#
發表於 2009-3-26 01:29 PM
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pure math
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& Y7 l5 k0 K5 p$ F" ?[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+yos.tvboxnow.com6 [! M+ e' r% T3 R4 `: J
tvb now,tvbnow,bttvb' ?+ l" W0 t' x5 N& E' H' f. c
if x = 111 y = 2222, you number is 111-2222 |
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