(原雞$8)-(賣$9)=-$1 (賺$1)
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(以$10)-(買回原雞$8)=$2 (蝕$2)tvb now,tvbnow,bttvb2 i% F: L* H0 X, U9 h E' \: d
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($10雞)-(賣$11)=-$1 (賺$1)
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/ _# j) a: k+ p1 P/ j* C總計=賺$1 蝕$2 賺$1
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1 E7 C. S) D% f! O$ w; H5.39.217.77試問賺2蚊再蝕2蚊...
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答案=0 |