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〖1/1算式〗
    作业：求算式 2*500/sqrt(3)*(1+ln(0.0819/0.05))-380-380*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.0819^2)+1) 的值.
    题型：数学计算
    解:
          2*500/sqrt(3)*(1+ln(0.0819/0.05))-380-380*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.0819^2)+1)
        =2*500/sqrt3*(1+ln(0.0819/0.05))-380-380*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.0819^2)+1)
        =2*500/sqrt3*(1+ln1.638)-380-380*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.0819^2)+1)
        =2*500/sqrt3*1.493476-380-380*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.0819^2)+1)
        =2*500/sqrt3*1.493476-380-380*0.05^2/0.0075*((0.1^2/0.0819^2)+1)
        =2*500/sqrt3*1.493476-380-380*0.05^2/0.0075*(1.490844+1)
        =2*500/sqrt3*1.493476-380-380*0.05^2/0.0075*2.490844
        =2*500/1.732051*1.493476-380-380*0.05^2/0.0075*2.490844
        =2*500/1.732051*1.493476-380-380*0.0025/0.0075*2.490844
        =1000/1.732051*1.493476-380-380*0.0025/0.0075*2.490844
        =577.350205*1.493476-380-380*0.0025/0.0075*2.490844
        =862.258675-380-380*0.0025/0.0075*2.490844
        =862.258675-380-0.95/0.0075*2.490844
        =862.258675-380-126.666667*2.490844
        =862.258675-380-315.506907
        =482.258675-315.506907
        =166.751768
    答案:2*500/sqrt(3)*(1+ln(0.0819/0.05))-380-380*0.05^2/(0.1^2-0.05^2)*((0.1^2/0.0819^2)+1)=166.751768

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