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〖1/1算式〗
    作业：求算式 2*500/sqrt(3)*(1+ln(0.0781/0.05))-370-370*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.0781^2)+1) 的值.
    题型：数学计算
    解:
          2*500/sqrt(3)*(1+ln(0.0781/0.05))-370-370*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.0781^2)+1)
        =2*500/sqrt3*(1+ln(0.0781/0.05))-370-370*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.0781^2)+1)
        =2*500/sqrt3*(1+ln1.562)-370-370*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.0781^2)+1)
        =2*500/sqrt3*1.445967-370-370*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.0781^2)+1)
        =2*500/sqrt3*1.445967-370-370*0.05^2/0.0075*((0.1^2/0.0781^2)+1)
        =2*500/sqrt3*1.445967-370-370*0.05^2/0.0075*(1.639449+1)
        =2*500/sqrt3*1.445967-370-370*0.05^2/0.0075*2.639449
        =2*500/1.732051*1.445967-370-370*0.05^2/0.0075*2.639449
        =2*500/1.732051*1.445967-370-370*0.0025/0.0075*2.639449
        =1000/1.732051*1.445967-370-370*0.0025/0.0075*2.639449
        =577.350205*1.445967-370-370*0.0025/0.0075*2.639449
        =834.829344-370-370*0.0025/0.0075*2.639449
        =834.829344-370-0.925/0.0075*2.639449
        =834.829344-370-123.333333*2.639449
        =834.829344-370-325.532042
        =464.829344-325.532042
        =139.297302
    答案:2*500/sqrt(3)*(1+ln(0.0781/0.05))-370-370*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.0781^2)+1)=139.297302

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