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数学计算:
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    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 2×14300×0.125×(sin(180×0.281))^3÷3+3575×0.281×(1-sin(180×2×0.281)/(6.283×0.281))×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281) 的值.
    题型:数学计算
    解:
          2×14300×0.125×(sin(180×0.281))^3÷3+3575×0.281×(1-sin(180×2×0.281)/(6.283×0.281))×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
        =2×14300×0.125×(sin50.58)^3÷3+3575×0.281×(1-sin(180×2×0.281)/(6.283×0.281))×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
        =2×14300×0.125×0.309358^3÷3+3575×0.281×(1-sin(180×2×0.281)/(6.283×0.281))×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
        =2×14300×0.125×0.309358^3÷3+3575×0.281×(1-sin101.16/(6.283×0.281))×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
        =2×14300×0.125×0.309358^3÷3+3575×0.281×(1-sin101.16/1.765523)×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
        =2×14300×0.125×0.309358^3÷3+3575×0.281×0.666747×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
        =2×14300×0.125×0.309358^3÷3+3575×0.281×0.666747×0.4375×(sin50.58+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
        =2×14300×0.125×0.309358^3÷3+3575×0.281×0.666747×0.4375×(sin50.58+sin(180×0.688))÷(1.25-3×0.281)
        =2×14300×0.125×0.309358^3÷3+3575×0.281×0.666747×0.4375×(sin50.58+sin123.84)÷(1.25-3×0.281)
        =2×14300×0.125×0.309358^3÷3+3575×0.281×0.666747×0.4375×(-0.65883)÷(1.25-3×0.281)
        =2×14300×0.125×0.309358^3÷3+3575×0.281×0.666747×0.4375×(-0.65883)÷0.407
        =2×14300×0.125×0.029606294447911÷3+3575×0.281×0.666747×0.4375×(-0.65883)÷0.407
        =28600×0.125×0.029606294447911÷3+3575×0.281×0.666747×0.4375×(-0.65883)÷0.407
        =3575×0.029606294447911÷3+3575×0.281×0.666747×0.4375×(-0.65883)÷0.407
        =105.842503÷3+3575×0.281×0.666747×0.4375×(-0.65883)÷0.407
        =35.280834+3575×0.281×0.666747×0.4375×(-0.65883)÷0.407
        =35.280834+1004.575×0.666747×0.4375×(-0.65883)÷0.407
        =35.280834+669.797368×0.4375×(-0.65883)÷0.407
        =35.280834+293.036349×(-0.65883)÷0.407
        =35.280834+(-193.061138)÷0.407
        =35.280834+(-474.35169)
        =-439.070856

    答案:2×14300×0.125×(sin(180×0.281))^3÷3+3575×0.281×(1-sin(180×2×0.281)/(6.283×0.281))×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)=-439.070856
    注:弧度制


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