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〖1/1算式〗
    作业：求算式 0.7811*1.12184/(1.12184-0.9)+0.2105/(1-0.9)+0.0084*0.54176/(0.54176-0.9) 的值.
    题型：数学计算
    解:
          0.7811*1.12184/(1.12184-0.9)+0.2105/(1-0.9)+0.0084*0.54176/(0.54176-0.9)
        =0.7811*1.12184/0.22184+0.2105/(1-0.9)+0.0084*0.54176/(0.54176-0.9)
        =0.7811*1.12184/0.22184+0.2105/0.1+0.0084*0.54176/(0.54176-0.9)
        =0.7811*1.12184/0.22184+0.2105/0.1+0.0084*0.54176/(-0.35824)
        =0.876269/0.22184+0.2105/0.1+0.0084*0.54176/(-0.35824)
        =3.950005+0.2105/0.1+0.0084*0.54176/(-0.35824)
        =3.950005+2.105+0.0084*0.54176/(-0.35824)
        =3.950005+2.105+0.004551/(-0.35824)
        =3.950005+2.105+(-0.012704)
        =6.055005+(-0.012704)
        =6.042301
    答案:0.7811*1.12184/(1.12184-0.9)+0.2105/(1-0.9)+0.0084*0.54176/(0.54176-0.9)=6.042301

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