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4#
發表於 2008-3-14 10:14 AM
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題目誤導人~
, ^2 g5 k& u3 P) Howner 100: K) V P7 b. t2 _" n0 ]8 f- Z J
owner's son 20os.tvboxnow.com4 _* [: l/ a! @) E
each pay 40
/ p+ Y. p3 Y' ~% ~9 S* j, ?7 `# G7 d40*3 = 120( t% y0 G9 K. ~; E' | H# H. E
120(3 guys) - 20(owner's son) = 100 (owner) |
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