題目誤導人~公仔箱論壇) a( m. {0 [: u% @; E
owner 1002 Q- B) ~! D( ~+ [
owner's son 20tvb now,tvbnow,bttvb- ^. R5 ]! [7 s) m% q3 @
each pay 40
; u* d; l/ d( t* ?) I: Y0 itvb now,tvbnow,bttvb40*3 = 120tvb now,tvbnow,bttvb4 _8 r: v* ~ g- z5 R2 B
120(3 guys) - 20(owner's son) = 100 (owner) |