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50#
發表於 2007-11-24 04:22 PM
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有頭緒,不過太複雜公仔箱論壇8 J; V( Y- A$ K5 t% K$ u
設共有X頭牛,
' K# D7 M! u# Z9 v. u- |5.39.217.77四個人共得X頭牛,就有以下等式:
' W1 i5 B0 e. \公仔箱論壇
d3 Y7 i- ?: L5.39.217.77x/2+0.5+(1-(x/2+0.5))/2+0.5+(1-(1-(x/2+0.5))/2+0.5)/2+0.5+(1-(1-(1-(x/2+0.5))/2+0.5))/2+0.5=x
( [' y9 B0 {! w5.39.217.77由於太複雜,暫我時間去計,哈哈 |
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