題目誤導人~
& ]5 b4 h' ~& C0 Q) I0 F3 i# D公仔箱論壇owner 100
) M: J% \/ r0 Z$ }' K' Q8 w9 E* ttvb now,tvbnow,bttvbowner's son 20公仔箱論壇. |! G9 l/ }' z& [- x* f
each pay 40公仔箱論壇& i. c) e/ A: L
40*3 = 120公仔箱論壇& V% o: \* e7 w+ F, I
120(3 guys) - 20(owner's son) = 100 (owner) |