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*0.375*0.375*0.4*sin(180*0.25)*sin(180*0.25)*sin(180*0.25)/3.14159+300*3.77*0.375*sin(180*0.25)/3.14159 的值.
    题型：数学计算
    解:
          2/3*14.3*1000*3.1415926*0.375*0.375*0.4*sin(180*0.25)*sin(180*0.25)*sin(180*0.25)/3.14159+300*3.77*0.375*sin(180*0.25)/3.14159
        =2/3*14.3*1000*3.1415926*0.375*0.375*0.4*sin45*sin(180*0.25)*sin(180*0.25)/3.14159+300*3.77*0.375*sin(180*0.25)/3.14159
        =2/3*14.3*1000*3.1415926*0.375*0.375*0.4*sin45*sin45*sin(180*0.25)/3.14159+300*3.77*0.375*sin(180*0.25)/3.14159
        =2/3*14.3*1000*3.1415926*0.375*0.375*0.4*sin45*sin45*sin45/3.14159+300*3.77*0.375*sin(180*0.25)/3.14159
        =2/3*14.3*1000*3.1415926*0.375*0.375*0.4*sin45*sin45*sin45/3.14159+300*3.77*0.375*sin45/3.14159
        =2/3*14.3*1000*3.1415926*0.375*0.375*0.4*0.850904*sin45*sin45/3.14159+300*3.77*0.375*sin45/3.14159
        =2/3*14.3*1000*3.1415926*0.375*0.375*0.4*0.850904*0.850904*sin45/3.14159+300*3.77*0.375*sin45/3.14159
        =2/3*14.3*1000*3.1415926*0.375*0.375*0.4*0.850904*0.850904*0.850904/3.14159+300*3.77*0.375*sin45/3.14159
        =2/3*14.3*1000*3.1415926*0.375*0.375*0.4*0.850904*0.850904*0.850904/3.14159+300*3.77*0.375*0.850904/3.14159
        =0.666667*14.3*1000*3.1415926*0.375*0.375*0.4*0.850904*0.850904*0.850904/3.14159+300*3.77*0.375*0.850904/3.14159
        =9.533338*1000*3.1415926*0.375*0.375*0.4*0.850904*0.850904*0.850904/3.14159+300*3.77*0.375*0.850904/3.14159
        =9533.338*3.1415926*0.375*0.375*0.4*0.850904*0.850904*0.850904/3.14159+300*3.77*0.375*0.850904/3.14159
        =29949.864114*0.375*0.375*0.4*0.850904*0.850904*0.850904/3.14159+300*3.77*0.375*0.850904/3.14159
        =11231.199043*0.375*0.4*0.850904*0.850904*0.850904/3.14159+300*3.77*0.375*0.850904/3.14159
        =4211.699641*0.4*0.850904*0.850904*0.850904/3.14159+300*3.77*0.375*0.850904/3.14159
        =1684.679856*0.850904*0.850904*0.850904/3.14159+300*3.77*0.375*0.850904/3.14159
        =1433.500828*0.850904*0.850904/3.14159+300*3.77*0.375*0.850904/3.14159
        =1219.771589*0.850904/3.14159+300*3.77*0.375*0.850904/3.14159
        =1037.908524/3.14159+300*3.77*0.375*0.850904/3.14159
        =330.376823+300*3.77*0.375*0.850904/3.14159
        =330.376823+1131*0.375*0.850904/3.14159
        =330.376823+424.125*0.850904/3.14159
        =330.376823+360.889659/3.14159
        =330.376823+114.874843
        =445.251666
    答案:2/3*14.3*1000*3.1415926*0.375*0.375*0.4*sin(180*0.25)*sin(180*0.25)*sin(180*0.25)/3.14159+300*3.77*0.375*sin(180*0.25)/3.14159=445.251666
    注：弧度制

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