題目誤導人~
, o4 x6 \2 |% Q A% J# S6 A8 z- hos.tvboxnow.comowner 100
& ]8 _' x7 V5 t# P5 `9 k( uos.tvboxnow.comowner's son 20
( u' h I9 y/ I' c; e2 A8 hos.tvboxnow.comeach pay 40
: x5 d; h9 \) c& [& ^0 ~/ b. gtvb now,tvbnow,bttvb40*3 = 120
* o8 w* w7 A. t2 n) D+ |" {/ Wos.tvboxnow.com120(3 guys) - 20(owner's son) = 100 (owner) |