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*1000*3.1415926*0.4*0.4*0.4*sin(180*0.301)*sin(180*0.301)*sin(180*0.301)/3.1415926+360*8.621*0.336*sin(180*0.301)/3.14159 的值.
    题型：数学计算
    解:
          2/3*14.3*1000*3.1415926*0.4*0.4*0.4*sin(180*0.301)*sin(180*0.301)*sin(180*0.301)/3.1415926+360*8.621*0.336*sin(180*0.301)/3.14159
        =2/3*14.3*1000*3.1415926*0.4*0.4*0.4*sin54.18*sin(180*0.301)*sin(180*0.301)/3.1415926+360*8.621*0.336*sin(180*0.301)/3.14159
        =2/3*14.3*1000*3.1415926*0.4*0.4*0.4*sin54.18*sin54.18*sin(180*0.301)/3.1415926+360*8.621*0.336*sin(180*0.301)/3.14159
        =2/3*14.3*1000*3.1415926*0.4*0.4*0.4*sin54.18*sin54.18*sin54.18/3.1415926+360*8.621*0.336*sin(180*0.301)/3.14159
        =2/3*14.3*1000*3.1415926*0.4*0.4*0.4*sin54.18*sin54.18*sin54.18/3.1415926+360*8.621*0.336*sin54.18/3.14159
        =2/3*14.3*1000*3.1415926*0.4*0.4*0.4*-0.698232*sin54.18*sin54.18/3.1415926+360*8.621*0.336*sin54.18/3.14159
        =2/3*14.3*1000*3.1415926*0.4*0.4*0.4*-0.698232*-0.698232*sin54.18/3.1415926+360*8.621*0.336*sin54.18/3.14159
        =2/3*14.3*1000*3.1415926*0.4*0.4*0.4*-0.698232*-0.698232*-0.698232/3.1415926+360*8.621*0.336*sin54.18/3.14159
        =2/3*14.3*1000*3.1415926*0.4*0.4*0.4*-0.698232*-0.698232*-0.698232/3.1415926+360*8.621*0.336*-0.698232/3.14159
        =0.666667*14.3*1000*3.1415926*0.4*0.4*0.4*(-0.698232)*(-0.698232)*(-0.698232)/3.1415926+360*8.621*0.336*(-0.698232)/3.14159
        =9.533338*1000*3.1415926*0.4*0.4*0.4*(-0.698232)*(-0.698232)*(-0.698232)/3.1415926+360*8.621*0.336*(-0.698232)/3.14159
        =9533.338*3.1415926*0.4*0.4*0.4*(-0.698232)*(-0.698232)*(-0.698232)/3.1415926+360*8.621*0.336*(-0.698232)/3.14159
        =29949.864114*0.4*0.4*0.4*(-0.698232)*(-0.698232)*(-0.698232)/3.1415926+360*8.621*0.336*(-0.698232)/3.14159
        =11979.945646*0.4*0.4*(-0.698232)*(-0.698232)*(-0.698232)/3.1415926+360*8.621*0.336*(-0.698232)/3.14159
        =4791.978258*0.4*(-0.698232)*(-0.698232)*(-0.698232)/3.1415926+360*8.621*0.336*(-0.698232)/3.14159
        =1916.791303*(-0.698232)*(-0.698232)*(-0.698232)/3.1415926+360*8.621*0.336*(-0.698232)/3.14159
        =(-1338.365025)*(-0.698232)*(-0.698232)/3.1415926+360*8.621*0.336*(-0.698232)/3.14159
        =934.489288*(-0.698232)/3.1415926+360*8.621*0.336*(-0.698232)/3.14159
        =(-652.490325)/3.1415926+360*8.621*0.336*(-0.698232)/3.14159
        =(-207.694125)+360*8.621*0.336*(-0.698232)/3.14159
        =-207.694125+3103.56*0.336*(-0.698232)/3.14159
        =-207.694125+1042.79616*(-0.698232)/3.14159
        =-207.694125+(-728.113648)/3.14159
        =-207.694125+(-231.765968)
        =-439.460093
    答案:2/3*14.3*1000*3.1415926*0.4*0.4*0.4*sin(180*0.301)*sin(180*0.301)*sin(180*0.301)/3.1415926+360*8.621*0.336*sin(180*0.301)/3.14159=-439.460093
    注：弧度制

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