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15+29+50=94
74????
85公仔箱論壇8 U4 n& S+ ?% t, ]/ j3 I
29+50+(21-15)=$85
29+15+50=94
44 很简单的题目  那张50换来换去其实可以不用考虑
一共44元
i think is $79
$79????
$44???
我是天才吗? $88
是44大洋
see answer
sure
# T, b9 e  K+ y. c6 s/ J* H# |  r5.39.217.77:889844
The answer is 44 ?
the answer is..
. ?, w3 r, g( [( k; D5.39.217.77:889894..- j: |: g; V1 `  W8 `7 h3 g% L3 }7 X
15=shoes cost..
5 v: `. d$ c: b4 X50= fake money
5 m1 q: L( a) z- D) @7 w3 {, ]5.39.217.77:889829= balance to customer
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