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 -650000+320000/(1+0.15)+320000/(1+0.15)^2+230000/(1+0.15)^3+175000/(1+0.15)^4+120000/(1+0.15)^5 的值.
    题型：数学计算
    解:
          -650000+320000/(1+0.15)+320000/(1+0.15)^2+230000/(1+0.15)^3+175000/(1+0.15)^4+120000/(1+0.15)^5
        =-650000+320000/1.15+320000/(1+0.15)^2+230000/(1+0.15)^3+175000/(1+0.15)^4+120000/(1+0.15)^5
        =-650000+320000/1.15+320000/1.15^2+230000/(1+0.15)^3+175000/(1+0.15)^4+120000/(1+0.15)^5
        =-650000+320000/1.15+320000/1.15^2+230000/1.15^3+175000/(1+0.15)^4+120000/(1+0.15)^5
        =-650000+320000/1.15+320000/1.15^2+230000/1.15^3+175000/1.15^4+120000/(1+0.15)^5
        =-650000+320000/1.15+320000/1.15^2+230000/1.15^3+175000/1.15^4+120000/1.15^5
        =-650000+320000/1.15+320000/1.3225+230000/1.15^3+175000/1.15^4+120000/1.15^5
        =-650000+320000/1.15+320000/1.3225+230000/1.520875+175000/1.15^4+120000/1.15^5
        =-650000+320000/1.15+320000/1.3225+230000/1.520875+175000/1.749006249999999+120000/1.15^5
        =-650000+320000/1.15+320000/1.3225+230000/1.520875+175000/1.749006249999999+120000/2.011357187499999
        =-650000+278260.869565+320000/1.3225+230000/1.520875+175000/1.749006249999999+120000/2.011357187499999
        =-650000+278260.869565+241965.973535+230000/1.520875+175000/1.749006249999999+120000/2.011357187499999
        =-650000+278260.869565+241965.973535+151228.733459+175000/1.749006249999999+120000/2.011357187499999
        =-650000+278260.869565+241965.973535+151228.733459+100056.817979+120000/2.011357187499999
        =-650000+278260.869565+241965.973535+151228.733459+100056.817979+59661.208236
        =-371739.130435+241965.973535+151228.733459+100056.817979+59661.208236
        =-129773.1569+151228.733459+100056.817979+59661.208236
        =21455.576559+100056.817979+59661.208236
        =121512.394538+59661.208236
        =181173.602774
    答案:-650000+320000/(1+0.15)+320000/(1+0.15)^2+230000/(1+0.15)^3+175000/(1+0.15)^4+120000/(1+0.15)^5=181173.602774

你的问题在这里没有得到解决？请到 热门难题 里面看看吧！