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数学计算:
    直接输入数学计算式,点击“下一步”按钮,即可获得计算答案。
    它支持数学函数(包括三角函数)。
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    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 5/1.05^35+1/1.05^36+1/1.05^37+1/1.05^38+1/1.05^39+1/1.05^40+1/1.05^41+1/1.05^42 的值.
    题型:数学计算
    解:
          5/1.05^35+1/1.05^36+1/1.05^37+1/1.05^38+1/1.05^39+1/1.05^40+1/1.05^41+1/1.05^42
        =5/5.516015367592257+1/1.05^36+1/1.05^37+1/1.05^38+1/1.05^39+1/1.05^40+1/1.05^41+1/1.05^42
        =5/5.516015367592257+1/5.791816135971869+1/1.05^37+1/1.05^38+1/1.05^39+1/1.05^40+1/1.05^41+1/1.05^42
        =5/5.516015367592257+1/5.791816135971869+1/6.081406942770463+1/1.05^38+1/1.05^39+1/1.05^40+1/1.05^41+1/1.05^42
        =5/5.516015367592257+1/5.791816135971869+1/6.081406942770463+1/6.385477289908986+1/1.05^39+1/1.05^40+1/1.05^41+1/1.05^42
        =5/5.516015367592257+1/5.791816135971869+1/6.081406942770463+1/6.385477289908986+1/6.704751154404436+1/1.05^40+1/1.05^41+1/1.05^42
        =5/5.516015367592257+1/5.791816135971869+1/6.081406942770463+1/6.385477289908986+1/6.704751154404436+1/7.039988712124658+1/1.05^41+1/1.05^42
        =5/5.516015367592257+1/5.791816135971869+1/6.081406942770463+1/6.385477289908986+1/6.704751154404436+1/7.039988712124658+1/7.391988147730891+1/1.05^42
        =5/5.516015367592257+1/5.791816135971869+1/6.081406942770463+1/6.385477289908986+1/6.704751154404436+1/7.039988712124658+1/7.391988147730891+1/7.761587555117436
        =0.906451+1/5.791816135971869+1/6.081406942770463+1/6.385477289908986+1/6.704751154404436+1/7.039988712124658+1/7.391988147730891+1/7.761587555117436
        =0.906451+0.172657+1/6.081406942770463+1/6.385477289908986+1/6.704751154404436+1/7.039988712124658+1/7.391988147730891+1/7.761587555117436
        =0.906451+0.172657+0.164436+1/6.385477289908986+1/6.704751154404436+1/7.039988712124658+1/7.391988147730891+1/7.761587555117436
        =0.906451+0.172657+0.164436+0.156605+1/6.704751154404436+1/7.039988712124658+1/7.391988147730891+1/7.761587555117436
        =0.906451+0.172657+0.164436+0.156605+0.149148+1/7.039988712124658+1/7.391988147730891+1/7.761587555117436
        =0.906451+0.172657+0.164436+0.156605+0.149148+0.142046+1/7.391988147730891+1/7.761587555117436
        =0.906451+0.172657+0.164436+0.156605+0.149148+0.142046+0.135282+1/7.761587555117436
        =0.906451+0.172657+0.164436+0.156605+0.149148+0.142046+0.135282+0.12884
        =1.079108+0.164436+0.156605+0.149148+0.142046+0.135282+0.12884
        =1.243544+0.156605+0.149148+0.142046+0.135282+0.12884
        =1.400149+0.149148+0.142046+0.135282+0.12884
        =1.549297+0.142046+0.135282+0.12884
        =1.691343+0.135282+0.12884
        =1.826625+0.12884
        =1.955465

    答案:5/1.05^35+1/1.05^36+1/1.05^37+1/1.05^38+1/1.05^39+1/1.05^40+1/1.05^41+1/1.05^42=1.955465


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