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Z 1 0 0 27/110 5/22 2455/11
X1 0 1 0 1/55 -50/55 1000/55
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( 50/55 )D2 => - 1000/55 . , D2 <= 20
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( 1/22 )D2 => - 91/11 . , D2 => - 200
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d1 <= 1/4 .
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