ya ... right answer is
# M( Q# i8 C5 j7 J# Za)$60-$55=賺左$5
: E9 h- M; ^! K3 S! u. Btvb now,tvbnow,bttvb( @" Q0 G: A. V8 u9 E. q/ j
b)$60-$62=花多左$2
5 ^& B7 j, O6 n# j) D, ctvb now,tvbnow,bttvb公仔箱論壇' C" \0 o1 h4 A2 J' c
c)$68-$62=賺左$6公仔箱論壇6 G5 b. u" a' ?0 r3 p
2 G) z9 u/ N: _0 h% M. r3 i2 D! G
所以:$5-$2+$6=$9 |