333 111/112÷37×56/81用简便计算怎么做

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333 111/112÷37×56/81用简便计算怎么做
333 111/112÷37×56/81用简便计算怎么做

333 111/112÷37×56/81用简便计算怎么做
333 111/112÷37×56/81=(333/37)×56/81+111/112÷37×56/81=9×56/81+(111/37×56/112)/81=3×56/27+1/(2×27)=3×54/27+3×2/27+1/54=6+(6×2+1)/54=6 13/54