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 3.5/1.56*1007*1.5*30*1.4+1007*1.5*0.3*30*1.4*1.55+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55 的值.
    题型：数学计算
    解:
          3.5/1.56*1007*1.5*30*1.4+1007*1.5*0.3*30*1.4*1.55+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55
        =2.24359*1007*1.5*30*1.4+1007*1.5*0.3*30*1.4*1.55+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55
        =2259.29513*1.5*30*1.4+1007*1.5*0.3*30*1.4*1.55+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55
        =3388.942695*30*1.4+1007*1.5*0.3*30*1.4*1.55+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55
        =101668.28085*1.4+1007*1.5*0.3*30*1.4*1.55+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55
        =142335.59319+1007*1.5*0.3*30*1.4*1.55+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55
        =142335.59319+1510.5*0.3*30*1.4*1.55+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55
        =142335.59319+453.15*30*1.4*1.55+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55
        =142335.59319+13594.5*1.4*1.55+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55
        =142335.59319+19032.3*1.55+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55
        =142335.59319+29500.065+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55
        =142335.59319+29500.065+2.24359*1200*15*1.4+1200*0.3*15*1.4*1.55
        =142335.59319+29500.065+2692.308*15*1.4+1200*0.3*15*1.4*1.55
        =142335.59319+29500.065+40384.62*1.4+1200*0.3*15*1.4*1.55
        =142335.59319+29500.065+56538.468+1200*0.3*15*1.4*1.55
        =142335.59319+29500.065+56538.468+360*15*1.4*1.55
        =142335.59319+29500.065+56538.468+5400*1.4*1.55
        =142335.59319+29500.065+56538.468+7560*1.55
        =142335.59319+29500.065+56538.468+11718
        =171835.65819+56538.468+11718
        =228374.12619+11718
        =240092.12619
    答案:3.5/1.56*1007*1.5*30*1.4+1007*1.5*0.3*30*1.4*1.55+3.5/1.56*1200*15*1.4+1200*0.3*15*1.4*1.55=240092.12619

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