(原雞$8)-(賣$9)=-$1 (賺$1)
3 X) K/ c3 b" T8 g
+ a1 z! ?8 E1 @4 v1 x& V3 U& w5.39.217.76(以$10)-(買回原雞$8)=$2 (蝕$2)
- A, S5 o) k+ N( s
% B( P2 U5 x5 M( V5 K) m0 w S($10雞)-(賣$11)=-$1 (賺$1)
! `$ F! k; b# h! n3 X/ gtvb now,tvbnow,bttvb( Y3 q/ X* u+ s% ?5 [1 ]
總計=賺$1 蝕$2 賺$1& `$ H+ K. x' R+ l Z7 {1 }2 B
8 z. o. t9 G! S2 A( o( ]. w5.39.217.76試問賺2蚊再蝕2蚊...
1 E Q% C# A$ V1 E1 F: V公仔箱論壇
: ]+ V' H5 _1 k( p$ A3 \5.39.217.76答案=0 |
發表於 2009-9-11 12:05 AM
| 
