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〖1/1算式〗
    作业：求算式 2/sqrt(3)*500*ln(0.0696/0.05)-340+340*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.0696^2-1) 的值.
    题型：数学计算
    解:
          2/sqrt(3)*500*ln(0.0696/0.05)-340+340*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.0696^2-1)
        =2/sqrt3*500*ln(0.0696/0.05)-340+340*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.0696^2-1)
        =2/sqrt3*500*ln1.392-340+340*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.0696^2-1)
        =2/sqrt3*500*ln1.392-340+340*0.05^2/0.0075*(0.1^2/0.0696^2-1)
        =2/sqrt3*500*ln1.392-340+340*0.05^2/0.0075*1.064341
        =2/1.732051*500*ln1.392-340+340*0.05^2/0.0075*1.064341
        =2/1.732051*500*0.330742-340+340*0.05^2/0.0075*1.064341
        =2/1.732051*500*0.330742-340+340*0.0025/0.0075*1.064341
        =1.1547*500*0.330742-340+340*0.0025/0.0075*1.064341
        =577.35*0.330742-340+340*0.0025/0.0075*1.064341
        =190.953894-340+340*0.0025/0.0075*1.064341
        =190.953894-340+0.85/0.0075*1.064341
        =190.953894-340+113.333333*1.064341
        =190.953894-340+120.625313
        =-149.046106+120.625313
        =-28.420793
    答案:2/sqrt(3)*500*ln(0.0696/0.05)-340+340*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.0696^2-1)=-28.420793

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