(原雞$8)-(賣$9)=-$1 (賺$1)
' N. p6 s! w) h& y3 y2 ctvb now,tvbnow,bttvb
0 Y& T! W" W' F( w公仔箱論壇(以$10)-(買回原雞$8)=$2 (蝕$2)
& D9 {4 F& D; d' e/ g9 K$ ytvb now,tvbnow,bttvb公仔箱論壇/ R0 ~- I7 }( C9 ~( `
($10雞)-(賣$11)=-$1 (賺$1)
8 E7 `1 o2 H9 p' M. v. a) r公仔箱論壇
6 B" Z2 c3 r% v1 }9 F; H5.39.217.76總計=賺$1 蝕$2 賺$1
% G& a! x) S* |6 H( K; U1 ]6 Btvb now,tvbnow,bttvb
0 q. @/ l |4 I, S9 o試問賺2蚊再蝕2蚊...8 u2 h" K4 s" x; W
# [+ ~2 a. q7 \4 `1 B) X t答案=0 |