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74×27+73×74(125-50)×899×35+3525×408102×37答案 解: 92×17+92×83 =92×(17+83) =92×100 =9200 74×27+73×74 =74×(27+73) =74×100 =7400 (125-50)×8 =125×8-50×8 =1000-400 =600 99×35+35 =(99+1)×35 =100×35 =3500 25×408 =25×(...