ya ... right answer is 公仔箱論壇& ^. \3 H# s( B3 x$ n8 F9 Z5 X* G
a)$60-$55=賺左$5tvb now,tvbnow,bttvb0 S8 E) B# f* ?2 I+ d
3 b- h N9 |7 A2 t3 ?1 w2 y3 k, C5 ytvb now,tvbnow,bttvbb)$60-$62=花多左$2
$ G/ Y3 N3 z9 k( R: Atvb now,tvbnow,bttvb2 g3 x" o% A; G8 S
c)$68-$62=賺左$6
$ @7 x+ h( ^ X- swww2.tvboxnow.com# b! c1 x, e3 |- c
所以:$5-$2+$6=$9 |