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           ☆算术计算1题

〖1/1算式〗
    作业：求算式 0.7811*1.12184/(1.12184-1.1)+0.2105/(1-1.1)+0.0084*0.54176/(0.54176-1.1) 的值.
    题型：数学计算
    解:
          0.7811*1.12184/(1.12184-1.1)+0.2105/(1-1.1)+0.0084*0.54176/(0.54176-1.1)
        =0.7811*1.12184/0.02184+0.2105/(1-1.1)+0.0084*0.54176/(0.54176-1.1)
        =0.7811*1.12184/0.02184+0.2105/(-0.1)+0.0084*0.54176/(0.54176-1.1)
        =0.7811*1.12184/0.02184+0.2105/(-0.1)+0.0084*0.54176/(-0.55824)
        =0.876269/0.02184+0.2105/(-0.1)+0.0084*0.54176/(-0.55824)
        =40.122207+0.2105/(-0.1)+0.0084*0.54176/(-0.55824)
        =40.122207+(-2.105)+0.0084*0.54176/(-0.55824)
        =40.122207+-2.105+0.004551/(-0.55824)
        =40.122207+-2.105+(-0.008152)
        =38.017207+(-0.008152)
        =38.009055
    答案:0.7811*1.12184/(1.12184-1.1)+0.2105/(1-1.1)+0.0084*0.54176/(0.54176-1.1)=38.009055

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