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Subject: =?gb2312?B?UmU6IL+0v7TV4rXAw+bK1Mzi1PXDtNH5o78=?=
Date: Thu, 14 Oct 2004 16:52:53 +0800
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ٶΪV1űٶΪV2ȻV2 &gt; V1
1űӶβߵͷʱΪT1ԶΪοϵűٶΪV2 - V1
         V2 - V1* T1 = 100 
       ã T1 = 100 / V2 - V1
2űӶͷߵβʱΪT2ԶΪοϵűٶΪV2 + V1
         V2 + V1* T2 = 100 
       ã T2 = 100 / V2 + V1
ԶΪоٶΪV1ʱΪ T1 + T2 ·Ϊ100
        V1 * [100/V2 - V1+ 100/V2 + V1] = 100
ãV2*V2 - 2*V1*V2 - V1*V1 = 0
        ãV2 = 1 + sqrt(2)* V1
ڶʱͬԴűߵ·Ƕ 1 + sqrt(2) 
 1 + sqrt(2)* 100 

