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 3000/(1.15)+3000/1.15^2+3000/1.15^3+3000/1.15^4-10000 的值.
    题型：数学计算
    解:
          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
    答案:3000/(1.15)+3000/1.15^2+3000/1.15^3+3000/1.15^4-10000=-1435.064912

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