(原雞$8)-(賣$9)=-$1 (賺$1)
$ }5 p3 |7 T0 q! G7 n% j5.39.217.77:88985.39.217.77:8898/ r$ f6 j1 U+ t7 N) s+ a" p
(以$10)-(買回原雞$8)=$2 (蝕$2)
0 g% A$ U. O: L2 n5 F
) ^2 _7 ^1 V% U8 H- W($10雞)-(賣$11)=-$1 (賺$1)
+ s% y0 M6 v& O# d
" W4 ~$ f/ I" f% _# g總計=賺$1 蝕$2 賺$15.39.217.77:8898 z& r$ Y# l& y- q! k
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試問賺2蚊再蝕2蚊...
+ _* T: o1 v7 P$ e# ?( x公仔箱論壇# h+ [& I, A! M. m+ x
答案=0 |