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4#
發表於 2008-3-14 10:14 AM
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題目誤導人~5.39.217.76 ]7 i- G' M1 B$ M7 } B
owner 1005.39.217.76* A7 A$ j) K+ ?4 g/ P: M0 I
owner's son 205.39.217.76. a( l6 V, n& f
each pay 40
, `/ W Y9 ~! x% u40*3 = 120+ F* O5 x3 j! l! ?
120(3 guys) - 20(owner's son) = 100 (owner) |
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