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〖1/1算式〗
    作业：求算式 67.02*10^6*(608.9-1200)/206592415464.42+(221.38+460.29)*10^6*(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+460.29)*10^6*(564.6-1200)/223405991568.39
        =67.02*10^6*(-591.1)/206592415464.42+(221.38+460.29)*10^6*(564.6-1200)/223405991568.39
        =67.02*10^6*(-591.1)/206592415464.42+681.67*10^6*(564.6-1200)/223405991568.39
        =67.02*10^6*(-591.1)/206592415464.42+681.67*10^6*(-635.4)/223405991568.39
        =67.02*1000000*(-591.1)/206592415464.42+681.67*10^6*(-635.4)/223405991568.39
        =67.02*1000000*(-591.1)/206592415464.42+681.67*1000000*(-635.4)/223405991568.39
        =67020000*(-591.1)/206592415464.42+681.67*1000000*(-635.4)/223405991568.39
        =(-39615522000)/206592415464.42+681.67*1000000*(-635.4)/223405991568.39
        =(-0.191757)+681.67*1000000*(-635.4)/223405991568.39
        =-0.191757+681670000*(-635.4)/223405991568.39
        =-0.191757+(-433133118000)/223405991568.39
        =-0.191757+(-1.938771)
        =-2.130528
    答案:67.02*10^6*(608.9-1200)/206592415464.42+(221.38+460.29)*10^6*(564.6-1200)/223405991568.39=-2.130528

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