題目誤導人~公仔箱論壇' J& o' \8 w: @
owner 100
; N6 x9 o" t: q3 B, t$ btvb now,tvbnow,bttvbowner's son 20
, I6 U4 o) z$ }5 O; O' I2 z公仔箱論壇each pay 40
: q% ? |4 P* i- K0 d$ \40*3 = 120tvb now,tvbnow,bttvb3 }/ U- V0 `5 z
120(3 guys) - 20(owner's son) = 100 (owner) |