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Mathematical calculation:
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    Current location:Mathematical operation > History of Mathematical Computation > Answer
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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation 2/sqrt(3)*500*ln(0.087/0.05)-390+390*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.087^2-1) .
    Question type: Mathematical calculation
    Solution:
          2/sqrt(3)*500*ln(0.087/0.05)-390+390*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.087^2-1)
        =2/sqrt3*500*ln(0.087/0.05)-390+390*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.087^2-1)
        =2/sqrt3*500*ln1.74-390+390*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.087^2-1)
        =2/sqrt3*500*ln1.74-390+390*0.05^2/0.0075*(0.1^2/0.087^2-1)
        =2/sqrt3*500*ln1.74-390+390*0.05^2/0.0075*0.321178
        =2/1.732051*500*ln1.74-390+390*0.05^2/0.0075*0.321178
        =2/1.732051*500*0.553885-390+390*0.05^2/0.0075*0.321178
        =2/1.732051*500*0.553885-390+390*0.0025/0.0075*0.321178
        =1.1547*500*0.553885-390+390*0.0025/0.0075*0.321178
        =577.35*0.553885-390+390*0.0025/0.0075*0.321178
        =319.785505-390+390*0.0025/0.0075*0.321178
        =319.785505-390+0.975/0.0075*0.321178
        =319.785505-390+130*0.321178
        =319.785505-390+41.75314
        =-70.214495+41.75314
        =-28.461355

    Answer:2/sqrt(3)*500*ln(0.087/0.05)-390+390*0.05^2/(0.1^2-0.05^2)*(0.1^2/0.087^2-1)=-28.461355


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