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 1/2*9.27*16.5^2+9.27*16.5*8.85-100.27-239.7-318.13-34.06*8.85-1/2*28.06*8.85^2 的值.
    题型：数学计算
    解:
          1/2*9.27*16.5^2+9.27*16.5*8.85-100.27-239.7-318.13-34.06*8.85-1/2*28.06*8.85^2
        =1/2*9.27*272.25+9.27*16.5*8.85-100.27-239.7-318.13-34.06*8.85-1/2*28.06*8.85^2
        =1/2*9.27*272.25+9.27*16.5*8.85-100.27-239.7-318.13-34.06*8.85-1/2*28.06*78.322499999999991
        =0.5*9.27*272.25+9.27*16.5*8.85-100.27-239.7-318.13-34.06*8.85-1/2*28.06*78.322499999999991
        =4.635*272.25+9.27*16.5*8.85-100.27-239.7-318.13-34.06*8.85-1/2*28.06*78.322499999999991
        =1261.87875+9.27*16.5*8.85-100.27-239.7-318.13-34.06*8.85-1/2*28.06*78.322499999999991
        =1261.87875+152.955*8.85-100.27-239.7-318.13-34.06*8.85-1/2*28.06*78.322499999999991
        =1261.87875+1353.65175-100.27-239.7-318.13-34.06*8.85-1/2*28.06*78.322499999999991
        =1261.87875+1353.65175-100.27-239.7-318.13-301.431-1/2*28.06*78.322499999999991
        =1261.87875+1353.65175-100.27-239.7-318.13-301.431-0.5*28.06*78.322499999999991
        =1261.87875+1353.65175-100.27-239.7-318.13-301.431-14.03*78.322499999999991
        =1261.87875+1353.65175-100.27-239.7-318.13-301.431-1098.864675
        =2615.5305-100.27-239.7-318.13-301.431-1098.864675
        =2515.2605-239.7-318.13-301.431-1098.864675
        =2275.5605-318.13-301.431-1098.864675
        =1957.4305-301.431-1098.864675
        =1655.9995-1098.864675
        =557.134825
    答案:1/2*9.27*16.5^2+9.27*16.5*8.85-100.27-239.7-318.13-34.06*8.85-1/2*28.06*8.85^2=557.134825

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