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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 2/3×14.3×10^3×0.785×0.5×(sin1.235)*(sin1.235)*(sin1.235)/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14 的值.
    题型:数学计算
    解:
          2/3×14.3×10^3×0.785×0.5×(sin1.235)*(sin1.235)*(sin1.235)/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14
        =2/3×14.3×10^3×0.785×0.5×0.944148*(sin1.235)*(sin1.235)/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14
        =2/3×14.3×10^3×0.785×0.5×0.944148*0.944148*(sin1.235)/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14
        =2/3×14.3×10^3×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14
        =2/3×14.3×10^3×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14
        =2/3×14.3×10^3×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×10^3×17693.45×10^-6×0.45×(0.993645+(sin1.235))/3.14
        =2/3×14.3×10^3×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×10^3×17693.45×10^-6×0.45×(0.993645+0.944148)/3.14
        =2/3×14.3×10^3×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×10^3×17693.45×10^-6×0.45×1.937793/3.14
        =2/3×14.3×1000×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×10^3×17693.45×10^(-6)×0.45×1.937793/3.14
        =2/3×14.3×1000×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×10^(-6)×0.45×1.937793/3.14
        =2/3×14.3×1000×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
        =0.666667×14.3×1000×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
        =9.533338×1000×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
        =9533.338×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
        =7483.67033×0.5×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
        =3741.835165×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
        =3532.846187*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
        =3335.529662*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
        =3149.233659/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
        =1002.940656+360×1000×17693.45×0.000001×0.45×1.937793/3.14
        =1002.940656+360000×17693.45×0.000001×0.45×1.937793/3.14
        =1002.940656+6369642000×0.000001×0.45×1.937793/3.14
        =1002.940656+6369.642×0.45×1.937793/3.14
        =1002.940656+2866.3389×1.937793/3.14
        =1002.940656+5554.371456/3.14
        =1002.940656+1768.908107
        =2771.848763

    答案:2/3×14.3×10^3×0.785×0.5×(sin1.235)*(sin1.235)*(sin1.235)/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14=2771.848763
    注:弧度制


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