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*785.398*0.5*(sin(0.3*3.1415926))^3/3.1415926+360*12.271*0.425*(sin(0.3*3.1415926)+sin(0.65*3.1415926))/3.1415926 的值.
    题型：数学计算
    解:
          2/3*14.3*785.398*0.5*(sin(0.3*3.1415926))^3/3.1415926+360*12.271*0.425*(sin(0.3*3.1415926)+sin(0.65*3.1415926))/3.1415926
        =2/3*14.3*785.398*0.5*(sin0.942478)^3/3.1415926+360*12.271*0.425*(sin(0.3*3.1415926)+sin(0.65*3.1415926))/3.1415926
        =2/3*14.3*785.398*0.5*0.809017^3/3.1415926+360*12.271*0.425*(sin(0.3*3.1415926)+sin(0.65*3.1415926))/3.1415926
        =2/3*14.3*785.398*0.5*0.809017^3/3.1415926+360*12.271*0.425*(sin0.942478+sin(0.65*3.1415926))/3.1415926
        =2/3*14.3*785.398*0.5*0.809017^3/3.1415926+360*12.271*0.425*(sin0.942478+sin2.042035)/3.1415926
        =2/3*14.3*785.398*0.5*0.809017^3/3.1415926+360*12.271*0.425*1.700024/3.1415926
        =2/3*14.3*785.398*0.5*0.529508508232408/3.1415926+360*12.271*0.425*1.700024/3.1415926
        =0.666667*14.3*785.398*0.5*0.529508508232408/3.1415926+360*12.271*0.425*1.700024/3.1415926
        =9.533338*785.398*0.5*0.529508508232408/3.1415926+360*12.271*0.425*1.700024/3.1415926
        =7487.464599*0.5*0.529508508232408/3.1415926+360*12.271*0.425*1.700024/3.1415926
        =3743.732299*0.529508508232408/3.1415926+360*12.271*0.425*1.700024/3.1415926
        =1982.338105/3.1415926+360*12.271*0.425*1.700024/3.1415926
        =630.997827+360*12.271*0.425*1.700024/3.1415926
        =630.997827+4417.56*0.425*1.700024/3.1415926
        =630.997827+1877.463*1.700024/3.1415926
        =630.997827+3191.732159/3.1415926
        =630.997827+1015.959918
        =1646.957745
    答案:2/3*14.3*785.398*0.5*(sin(0.3*3.1415926))^3/3.1415926+360*12.271*0.425*(sin(0.3*3.1415926)+sin(0.65*3.1415926))/3.1415926=1646.957745
    注：弧度制

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