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 13447.309×1.8×(75+13)+20388.202×0.858×(75+13)+7.148×0.9798×(75+13)+2.7783×1.884×(75+13) 的值.
    题型：数学计算
    解:
          13447.309×1.8×(75+13)+20388.202×0.858×(75+13)+7.148×0.9798×(75+13)+2.7783×1.884×(75+13)
        =13447.309×1.8×88+20388.202×0.858×(75+13)+7.148×0.9798×(75+13)+2.7783×1.884×(75+13)
        =13447.309×1.8×88+20388.202×0.858×88+7.148×0.9798×(75+13)+2.7783×1.884×(75+13)
        =13447.309×1.8×88+20388.202×0.858×88+7.148×0.9798×88+2.7783×1.884×(75+13)
        =13447.309×1.8×88+20388.202×0.858×88+7.148×0.9798×88+2.7783×1.884×88
        =24205.1562×88+20388.202×0.858×88+7.148×0.9798×88+2.7783×1.884×88
        =2130053.7456+20388.202×0.858×88+7.148×0.9798×88+2.7783×1.884×88
        =2130053.7456+17493.077316×88+7.148×0.9798×88+2.7783×1.884×88
        =2130053.7456+1539390.803808+7.148×0.9798×88+2.7783×1.884×88
        =2130053.7456+1539390.803808+7.00361×88+2.7783×1.884×88
        =2130053.7456+1539390.803808+616.31768+2.7783×1.884×88
        =2130053.7456+1539390.803808+616.31768+5.234317×88
        =2130053.7456+1539390.803808+616.31768+460.619896
        =3669444.549408+616.31768+460.619896
        =3670060.867088+460.619896
        =3670521.486984
    答案:13447.309×1.8×(75+13)+20388.202×0.858×(75+13)+7.148×0.9798×(75+13)+2.7783×1.884×(75+13)=3670521.486984

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