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[1/1 Formula]
    Work: Calculate the value of equation 3000/(1.15)+3000/1.15^2+3000/1.15^3+3000/1.15^4-10000 .
    Question type: Mathematical calculation
    Solution:
          3000/(1.15)+3000/1.15^2+3000/1.15^3+3000/1.15^4-10000
        =3000/1.15+3000/1.15^2+3000/1.15^3+3000/1.15^4-10000
        =3000/1.15+3000/1.3225+3000/1.15^3+3000/1.15^4-10000
        =3000/1.15+3000/1.3225+3000/1.520875+3000/1.15^4-10000
        =3000/1.15+3000/1.3225+3000/1.520875+3000/1.749006249999999-10000
        =2608.695652+3000/1.3225+3000/1.520875+3000/1.749006249999999-10000
        =2608.695652+2268.431002+3000/1.520875+3000/1.749006249999999-10000
        =2608.695652+2268.431002+1972.548697+3000/1.749006249999999-10000
        =2608.695652+2268.431002+1972.548697+1715.259737-10000
        =4877.126654+1972.548697+1715.259737-10000
        =6849.675351+1715.259737-10000
        =8564.935088-10000
        =-1435.064912
    Answer:3000/(1.15)+3000/1.15^2+3000/1.15^3+3000/1.15^4-10000=-1435.064912

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