总述：本次共解1题。其中
           ☆算术计算1题

〖1/1算式〗
    作业：求算式 280.82×18.73+397.17×13.73+1878.40×3.13+93.88×8.35-57.66×18.74-84.24×16.94-695.17×12.14-220.99×8.46-1591.85×3.56 的值.
    题型：数学计算
    解:
          280.82×18.73+397.17×13.73+1878.40×3.13+93.88×8.35-57.66×18.74-84.24×16.94-695.17×12.14-220.99×8.46-1591.85×3.56
        =5259.7586+397.17×13.73+1878.4×3.13+93.88×8.35-57.66×18.74-84.24×16.94-695.17×12.14-220.99×8.46-1591.85×3.56
        =5259.7586+5453.1441+1878.4×3.13+93.88×8.35-57.66×18.74-84.24×16.94-695.17×12.14-220.99×8.46-1591.85×3.56
        =5259.7586+5453.1441+5879.392+93.88×8.35-57.66×18.74-84.24×16.94-695.17×12.14-220.99×8.46-1591.85×3.56
        =5259.7586+5453.1441+5879.392+783.898-57.66×18.74-84.24×16.94-695.17×12.14-220.99×8.46-1591.85×3.56
        =5259.7586+5453.1441+5879.392+783.898-1080.5484-84.24×16.94-695.17×12.14-220.99×8.46-1591.85×3.56
        =5259.7586+5453.1441+5879.392+783.898-1080.5484-1427.0256-695.17×12.14-220.99×8.46-1591.85×3.56
        =5259.7586+5453.1441+5879.392+783.898-1080.5484-1427.0256-8439.3638-220.99×8.46-1591.85×3.56
        =5259.7586+5453.1441+5879.392+783.898-1080.5484-1427.0256-8439.3638-1869.5754-1591.85×3.56
        =5259.7586+5453.1441+5879.392+783.898-1080.5484-1427.0256-8439.3638-1869.5754-5666.986
        =10712.9027+5879.392+783.898-1080.5484-1427.0256-8439.3638-1869.5754-5666.986
        =16592.2947+783.898-1080.5484-1427.0256-8439.3638-1869.5754-5666.986
        =17376.1927-1080.5484-1427.0256-8439.3638-1869.5754-5666.986
        =16295.6443-1427.0256-8439.3638-1869.5754-5666.986
        =14868.6187-8439.3638-1869.5754-5666.986
        =6429.2549-1869.5754-5666.986
        =4559.6795-5666.986
        =-1107.3065
    答案:280.82×18.73+397.17×13.73+1878.40×3.13+93.88×8.35-57.66×18.74-84.24×16.94-695.17×12.14-220.99×8.46-1591.85×3.56=-1107.3065

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