題目誤導人~
1 i6 K2 C7 O" t3 L+ ktvb now,tvbnow,bttvbowner 1007 \( X8 U Y$ l* }# \9 J
owner's son 20( [+ e$ D1 i: w+ n# T
each pay 40tvb now,tvbnow,bttvb4 H0 N! M4 J$ E' K |( j! W
40*3 = 1205.39.217.761 I( V& J& H* P h9 ?2 q1 Y; ?: n
120(3 guys) - 20(owner's son) = 100 (owner) |