題目誤導人~os.tvboxnow.com9 u5 d# \( O& h0 y( H* P0 L
owner 100
$ g: N. u9 u( o4 Z: @owner's son 20
) j1 Z, c' `& i' W/ F. H% o/ kos.tvboxnow.comeach pay 40tvb now,tvbnow,bttvb% }1 ]3 D8 T2 _, R
40*3 = 120tvb now,tvbnow,bttvb" U0 A( ~0 q9 Q
120(3 guys) - 20(owner's son) = 100 (owner) |