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〖1/1算式〗
    作业：求算式 (20+17.3*2.6+16.7*2.1+19.9*2.3+19.3*3+19*5+19.1*5-175)*0.31-2^18.52*0.88+175 的值.
    题型：数学计算
    解:
          (20+17.3*2.6+16.7*2.1+19.9*2.3+19.3*3+19*5+19.1*5-175)*0.31-2^18.52*0.88+175
        =219.22*0.31-2^18.52*0.88+175
        =219.22*0.31-375902.764535860915203*0.88+175
        =67.9582-375902.764535860915203*0.88+175
        =67.9582-330794.432792+175
        =-330726.474592+175
        =-330551.474592
    答案:(20+17.3*2.6+16.7*2.1+19.9*2.3+19.3*3+19*5+19.1*5-175)*0.31-2^18.52*0.88+175=-330551.474592

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