題目誤導人~5.39.217.77$ B; j- t4 ^/ ?- L$ x
owner 100tvb now,tvbnow,bttvb$ Z2 |' V9 b% I/ t7 L7 l6 r9 B
owner's son 205.39.217.77) b! ^6 J5 y6 x8 Z' Q/ b4 R, K
each pay 40tvb now,tvbnow,bttvb4 a( j+ g, P2 d# [0 }( o/ l
40*3 = 120, ?+ Z6 d: w+ D: ~
120(3 guys) - 20(owner's son) = 100 (owner) |