題目誤導人~
1 u, p- X+ w. [( ~* I" H! F, T6 ftvb now,tvbnow,bttvbowner 100
+ D9 v8 d9 S7 K2 m2 G" ~5.39.217.76owner's son 20
. _ i& J8 S2 `( L* L% s公仔箱論壇each pay 40
+ U/ k9 z: ^# E7 B4 x公仔箱論壇40*3 = 120tvb now,tvbnow,bttvb0 L( B8 k8 d7 `. t0 q8 B" e& ?
120(3 guys) - 20(owner's son) = 100 (owner) |