a)$60-$55=賺左$5
8 ^8 B, M4 ^1 R3 c/ t; _) n+ g; t" t公仔箱論壇8 `& q, R2 E% d% k5 l9 o% f) K
b)$60-$62=花多左$2
' Q( A h' D6 i' n
4 s! f1 a3 {0 ], r+ G. n: P/ w- G公仔箱論壇c)$68-$62=賺左$6
5 e. F3 V4 v- a6 \5 y5.39.217.77:8898
, {. D/ P: r+ n( \tvb now,tvbnow,bttvb所以:$5-$2+$6=$9 |