題目誤導人~
. P7 S6 l1 o: n/ C+ @1 `8 n公仔箱論壇owner 100
: e' _' |8 [, f; q( downer's son 20
2 W' t' o8 W# F( z" j% I) Etvb now,tvbnow,bttvbeach pay 40
( u7 B6 ~/ z3 M. o1 `, m" Q8 ?0 Q6 C40*3 = 120
1 y& |/ M2 I' _% i% R/ C" I120(3 guys) - 20(owner's son) = 100 (owner) |