ya ... right answer is
9 z" C- {( L' E9 l! X! ktvb now,tvbnow,bttvba)$60-$55=賺左$5
6 X' s U( J& R- G5 x) Q
0 v- y6 ?# l, i8 [9 eb)$60-$62=花多左$2
0 \* y. v+ ?* p/ R9 n2 d4 q
8 \8 d" N0 s7 o: b X公仔箱論壇c)$68-$62=賺左$6tvb now,tvbnow,bttvb$ K. k) O# v7 G* `3 P3 W) n9 l
+ |& d, W2 r' U& f6 D公仔箱論壇所以:$5-$2+$6=$9 |