ya ... right answer is
x/ [$ ], g. G: B5 Y5 X公仔箱論壇a)$60-$55=賺左$5公仔箱論壇. N! q9 k7 r, g+ t4 j1 t* h
8 l! v, u/ y% @ N4 qb)$60-$62=花多左$2
7 ~& u- o6 q! |" Z
m6 g" [" c5 T4 Utvb now,tvbnow,bttvbc)$68-$62=賺左$6公仔箱論壇; h" S& F7 d# ^& ~1 }
4 D, K" x& J3 ~ s; I: F8 g
所以:$5-$2+$6=$9 |