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〖1/1算式〗
    作业：求算式 2/3*13.8*502400*400*sin(3.14*0.318)^3/3.14+330*12316*353*sin(3.14*0.318)/3.14+330*12316*353*sin(3.14*0.618) 的值.
    题型：数学计算
    解:
          2/3*13.8*502400*400*sin(3.14*0.318)^3/3.14+330*12316*353*sin(3.14*0.318)/3.14+330*12316*353*sin(3.14*0.618)
        =2/3*13.8*502400*400*sin0.99852^3/3.14+330*12316*353*sin(3.14*0.318)/3.14+330*12316*353*sin(3.14*0.618)
        =2/3*13.8*502400*400*sin0.99852^3/3.14+330*12316*353*sin0.99852/3.14+330*12316*353*sin(3.14*0.618)
        =2/3*13.8*502400*400*sin0.99852^3/3.14+330*12316*353*sin0.99852/3.14+330*12316*353*sin1.94052
        =2/3*13.8*502400*400*0.84067^3/3.14+330*12316*353*sin0.99852/3.14+330*12316*353*sin1.94052
        =2/3*13.8*502400*400*0.84067^3/3.14+330*12316*353*0.84067/3.14+330*12316*353*sin1.94052
        =2/3*13.8*502400*400*0.84067^3/3.14+330*12316*353*0.84067/3.14+330*12316*353*0.932427
        =2/3*13.8*502400*400*0.594123387528763/3.14+330*12316*353*0.84067/3.14+330*12316*353*0.932427
        =0.666667*13.8*502400*400*0.594123387528763/3.14+330*12316*353*0.84067/3.14+330*12316*353*0.932427
        =9.200005*502400*400*0.594123387528763/3.14+330*12316*353*0.84067/3.14+330*12316*353*0.932427
        =4622082.512*400*0.594123387528763/3.14+330*12316*353*0.84067/3.14+330*12316*353*0.932427
        =1848833004.8*0.594123387528763/3.14+330*12316*353*0.84067/3.14+330*12316*353*0.932427
        =1098434927.786758/3.14+330*12316*353*0.84067/3.14+330*12316*353*0.932427
        =349820040.69642+330*12316*353*0.84067/3.14+330*12316*353*0.932427
        =349820040.69642+4064280*353*0.84067/3.14+330*12316*353*0.932427
        =349820040.69642+1434690840*0.84067/3.14+330*12316*353*0.932427
        =349820040.69642+1206101548.4628/3.14+330*12316*353*0.932427
        =349820040.69642+384108773.395796+330*12316*353*0.932427
        =349820040.69642+384108773.395796+4064280*353*0.932427
        =349820040.69642+384108773.395796+1434690840*0.932427
        =349820040.69642+384108773.395796+1337744475.86868
        =733928814.092216+1337744475.86868
        =2071673289.960896
    答案:2/3*13.8*502400*400*sin(3.14*0.318)^3/3.14+330*12316*353*sin(3.14*0.318)/3.14+330*12316*353*sin(3.14*0.618)=2071673289.960896
    注：弧度制

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