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 1*5/(1+5%)+2*10.25/(1+5%)^2+3*15.76/(1+5%)^3+4*21.55/(1+5%)^4+5*27.63/(1+5%)^5 的值.
    题型：数学计算
    解:
          1*5/(1+5%)+2*10.25/(1+5%)^2+3*15.76/(1+5%)^3+4*21.55/(1+5%)^4+5*27.63/(1+5%)^5
        =1*5/1.05+2*10.25/(1+5%)^2+3*15.76/(1+5%)^3+4*21.55/(1+5%)^4+5*27.63/(1+5%)^5
        =1*5/1.05+2*10.25/1.05^2+3*15.76/(1+5%)^3+4*21.55/(1+5%)^4+5*27.63/(1+5%)^5
        =1*5/1.05+2*10.25/1.05^2+3*15.76/1.05^3+4*21.55/(1+5%)^4+5*27.63/(1+5%)^5
        =1*5/1.05+2*10.25/1.05^2+3*15.76/1.05^3+4*21.55/1.05^4+5*27.63/(1+5%)^5
        =1*5/1.05+2*10.25/1.05^2+3*15.76/1.05^3+4*21.55/1.05^4+5*27.63/1.05^5
        =1*5/1.05+2*10.25/1.1025+3*15.76/1.05^3+4*21.55/1.05^4+5*27.63/1.05^5
        =1*5/1.05+2*10.25/1.1025+3*15.76/1.157625+4*21.55/1.05^4+5*27.63/1.05^5
        =1*5/1.05+2*10.25/1.1025+3*15.76/1.157625+4*21.55/1.21550625+5*27.63/1.05^5
        =1*5/1.05+2*10.25/1.1025+3*15.76/1.157625+4*21.55/1.21550625+5*27.63/1.2762815625
        =5/1.05+2*10.25/1.1025+3*15.76/1.157625+4*21.55/1.21550625+5*27.63/1.2762815625
        =4.761905+2*10.25/1.1025+3*15.76/1.157625+4*21.55/1.21550625+5*27.63/1.2762815625
        =4.761905+20.5/1.1025+3*15.76/1.157625+4*21.55/1.21550625+5*27.63/1.2762815625
        =4.761905+18.594104+3*15.76/1.157625+4*21.55/1.21550625+5*27.63/1.2762815625
        =4.761905+18.594104+47.28/1.157625+4*21.55/1.21550625+5*27.63/1.2762815625
        =4.761905+18.594104+40.842242+4*21.55/1.21550625+5*27.63/1.2762815625
        =4.761905+18.594104+40.842242+86.2/1.21550625+5*27.63/1.2762815625
        =4.761905+18.594104+40.842242+70.916953+5*27.63/1.2762815625
        =4.761905+18.594104+40.842242+70.916953+138.15/1.2762815625
        =4.761905+18.594104+40.842242+70.916953+108.24414
        =23.356009+40.842242+70.916953+108.24414
        =64.198251+70.916953+108.24414
        =135.115204+108.24414
        =243.359344
    答案:1*5/(1+5%)+2*10.25/(1+5%)^2+3*15.76/(1+5%)^3+4*21.55/(1+5%)^4+5*27.63/(1+5%)^5=243.359344

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