(原雞$8)-(賣$9)=-$1 (賺$1) tvb now,tvbnow,bttvb* Q! c# a# S& }' ^: a7 y
& x5 X. S0 y d+ utvb now,tvbnow,bttvb(以$10)-(買回原雞$8)=$2 (蝕$2)
7 P" n/ e- {7 ~1 M# N$ ^) y2 ^* c公仔箱論壇公仔箱論壇" a3 \# z4 _7 |
($10雞)-(賣$11)=-$1 (賺$1)公仔箱論壇) w/ z) c7 |3 D
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總計=賺$1 蝕$2 賺$1os.tvboxnow.com! D. L r/ o% s( {/ k# F0 l; ]
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試問賺2蚊再蝕2蚊...tvb now,tvbnow,bttvb9 G7 B0 ~+ j4 D1 K8 A% i0 e
tvb now,tvbnow,bttvb4 X4 m y$ a6 @9 q+ f& X# n! R/ R1 j
答案=0 |
發表於 2009-9-11 12:05 AM
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