(原雞$8)-(賣$9)=-$1 (賺$1)
$ y/ o. [: r5 ]7 l& K9 @
' F# q+ ~5 y, ~( \1 Q! z* g, x1 R% m(以$10)-(買回原雞$8)=$2 (蝕$2)1 |" [ ^0 x# q" l. g! v" k+ l
tvb now,tvbnow,bttvb8 W* x; Z C5 G0 a
($10雞)-(賣$11)=-$1 (賺$1), M: F) L! ?/ r3 N1 P
公仔箱論壇& c( n; H1 b) D. a7 ~; r
總計=賺$1 蝕$2 賺$1
" H2 t" o9 z E/ ~$ ftvb now,tvbnow,bttvb
8 Z _ ?7 J9 H/ U( _7 D: L5 b' }tvb now,tvbnow,bttvb試問賺2蚊再蝕2蚊...tvb now,tvbnow,bttvb. f& E7 b+ c5 U d6 _
" m3 D: {5 u u- F: Ros.tvboxnow.com答案=0 |
發表於 2009-9-11 12:05 AM
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