題目誤導人~tvb now,tvbnow,bttvb% x; a& E5 [8 j
owner 100
) f: N/ r* J* Z, `1 V' R+ @+ Y公仔箱論壇owner's son 20os.tvboxnow.com3 D4 |7 H, g+ z. }( `+ N
each pay 40
9 t5 R* X7 i0 E, Z8 G40*3 = 120tvb now,tvbnow,bttvb- T0 j# m4 M1 V
120(3 guys) - 20(owner's son) = 100 (owner) |