題目誤導人~
; i; N$ O' V, \tvb now,tvbnow,bttvbowner 100tvb now,tvbnow,bttvb- b( E7 i4 _: f" t2 P+ M
owner's son 20公仔箱論壇1 Q8 {; O' \6 m$ U0 m
each pay 40
! P9 r5 G) j& K, z. [公仔箱論壇40*3 = 120" @) X% r: z# l6 }* g
120(3 guys) - 20(owner's son) = 100 (owner) |