总述：本次共解1题。其中
           ☆算术计算1题

〖1/1算式〗
    作业：求算式 -98+23/1.115+30/1.115^2+38/1.115^3+48/1.115^4 的值.
    题型：数学计算
    解:
          -98+23/1.115+30/1.115^2+38/1.115^3+48/1.115^4
        =-98+23/1.115+30/1.243225+38/1.115^3+48/1.115^4
        =-98+23/1.115+30/1.243225+38/1.386195875+48/1.115^4
        =-98+23/1.115+30/1.243225+38/1.386195875+48/1.545608400625
        =-98+20.627803+30/1.243225+38/1.386195875+48/1.545608400625
        =-98+20.627803+24.130789+38/1.386195875+48/1.545608400625
        =-98+20.627803+24.130789+27.413153+48/1.545608400625
        =-98+20.627803+24.130789+27.413153+31.055732
        =-77.372197+24.130789+27.413153+31.055732
        =-53.241408+27.413153+31.055732
        =-25.828255+31.055732
        =5.227477
    答案:-98+23/1.115+30/1.115^2+38/1.115^3+48/1.115^4=5.227477

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