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4#
發表於 2008-3-14 10:14 AM
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題目誤導人~
# I) C A) ^$ powner 100
# o* B1 M( `. G" A/ C( \tvb now,tvbnow,bttvbowner's son 20
" u; g* Y* o% e5 j5 c+ zeach pay 408 y* E9 K1 d" B$ V! L8 \% w% B
40*3 = 120( K1 n* I. q+ v0 X
120(3 guys) - 20(owner's son) = 100 (owner) |
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