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〖1/1算式〗
    作业：求算式 67.02*10^6*(608.9-1200)/206592415464.42+(221.38+846.21+57.84)*10^3*(564.6-1200)/223405991568.39 的值.
    题型：数学计算
    解:
          67.02*10^6*(608.9-1200)/206592415464.42+(221.38+846.21+57.84)*10^3*(564.6-1200)/223405991568.39
        =67.02*10^6*(-591.1)/206592415464.42+(221.38+846.21+57.84)*10^3*(564.6-1200)/223405991568.39
        =67.02*10^6*(-591.1)/206592415464.42+1125.43*10^3*(564.6-1200)/223405991568.39
        =67.02*10^6*(-591.1)/206592415464.42+1125.43*10^3*(-635.4)/223405991568.39
        =67.02*1000000*(-591.1)/206592415464.42+1125.43*10^3*(-635.4)/223405991568.39
        =67.02*1000000*(-591.1)/206592415464.42+1125.43*1000*(-635.4)/223405991568.39
        =67020000*(-591.1)/206592415464.42+1125.43*1000*(-635.4)/223405991568.39
        =(-39615522000)/206592415464.42+1125.43*1000*(-635.4)/223405991568.39
        =(-0.191757)+1125.43*1000*(-635.4)/223405991568.39
        =-0.191757+1125430*(-635.4)/223405991568.39
        =-0.191757+(-715098222)/223405991568.39
        =-0.191757+(-0.003201)
        =-0.194958
    答案:67.02*10^6*(608.9-1200)/206592415464.42+(221.38+846.21+57.84)*10^3*(564.6-1200)/223405991568.39=-0.194958

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