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〖1/1算式〗
    作业：求算式 970000/(1+0.084/4)+160000/(1+0.084/4)^2+270000/(1+0.084/4)^3+820000/(1+0.084/4)^4 的值.
    题型：数学计算
    解:
          970000/(1+0.084/4)+160000/(1+0.084/4)^2+270000/(1+0.084/4)^3+820000/(1+0.084/4)^4
        =970000/1.021+160000/(1+0.084/4)^2+270000/(1+0.084/4)^3+820000/(1+0.084/4)^4
        =970000/1.021+160000/1.021^2+270000/(1+0.084/4)^3+820000/(1+0.084/4)^4
        =970000/1.021+160000/1.021^2+270000/1.021^3+820000/(1+0.084/4)^4
        =970000/1.021+160000/1.021^2+270000/1.021^3+820000/1.021^4
        =970000/1.021+160000/1.042441+270000/1.021^3+820000/1.021^4
        =970000/1.021+160000/1.042441+270000/1.064332261+820000/1.021^4
        =970000/1.021+160000/1.042441+270000/1.064332261+820000/1.086683238481
        =950048.971596+160000/1.042441+270000/1.064332261+820000/1.086683238481
        =950048.971596+153485.904718+270000/1.064332261+820000/1.086683238481
        =950048.971596+153485.904718+253680.180423+820000/1.086683238481
        =950048.971596+153485.904718+253680.180423+754589.719398
        =1103534.876314+253680.180423+754589.719398
        =1357215.056737+754589.719398
        =2111804.776135
    答案:970000/(1+0.084/4)+160000/(1+0.084/4)^2+270000/(1+0.084/4)^3+820000/(1+0.084/4)^4=2111804.776135

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