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 (1/3)^2*0.03^2+(1/3)^2*0.05^2+(1/3)^2*0.03^2+2*(1/3)^2*0.5*0.03*0.05+2*(1/3)^2*0.2*0.03*0.03+2*(1/3)^2*0*0.05*0.03 的值.
    题型：数学计算
    解:
          (1/3)^2*0.03^2+(1/3)^2*0.05^2+(1/3)^2*0.03^2+2*(1/3)^2*0.5*0.03*0.05+2*(1/3)^2*0.2*0.03*0.03+2*(1/3)^2*0*0.05*0.03
        =0.333333^2*0.03^2+(1/3)^2*0.05^2+(1/3)^2*0.03^2+2*(1/3)^2*0.5*0.03*0.05+2*(1/3)^2*0.2*0.03*0.03+2*(1/3)^2*0*0.05*0.03
        =0.333333^2*0.03^2+0.333333^2*0.05^2+(1/3)^2*0.03^2+2*(1/3)^2*0.5*0.03*0.05+2*(1/3)^2*0.2*0.03*0.03+2*(1/3)^2*0*0.05*0.03
        =0.333333^2*0.03^2+0.333333^2*0.05^2+0.333333^2*0.03^2+2*(1/3)^2*0.5*0.03*0.05+2*(1/3)^2*0.2*0.03*0.03+2*(1/3)^2*0*0.05*0.03
        =0.333333^2*0.03^2+0.333333^2*0.05^2+0.333333^2*0.03^2+2*0.333333^2*0.5*0.03*0.05+2*(1/3)^2*0.2*0.03*0.03+2*(1/3)^2*0*0.05*0.03
        =0.333333^2*0.03^2+0.333333^2*0.05^2+0.333333^2*0.03^2+2*0.333333^2*0.5*0.03*0.05+2*0.333333^2*0.2*0.03*0.03+2*(1/3)^2*0*0.05*0.03
        =0.333333^2*0.03^2+0.333333^2*0.05^2+0.333333^2*0.03^2+2*0.333333^2*0.5*0.03*0.05+2*0.333333^2*0.2*0.03*0.03+2*0.333333^2*0*0.05*0.03
        =0.111110888889*0.03^2+0.333333^2*0.05^2+0.333333^2*0.03^2+2*0.333333^2*0.5*0.03*0.05+2*0.333333^2*0.2*0.03*0.03+2*0.333333^2*0*0.05*0.03
        =0.111110888889*0.0009+0.333333^2*0.05^2+0.333333^2*0.03^2+2*0.333333^2*0.5*0.03*0.05+2*0.333333^2*0.2*0.03*0.03+2*0.333333^2*0*0.05*0.03
        =0.111110888889*0.0009+0.111110888889*0.05^2+0.333333^2*0.03^2+2*0.333333^2*0.5*0.03*0.05+2*0.333333^2*0.2*0.03*0.03+2*0.333333^2*0*0.05*0.03
        =0.111110888889*0.0009+0.111110888889*0.0025+0.333333^2*0.03^2+2*0.333333^2*0.5*0.03*0.05+2*0.333333^2*0.2*0.03*0.03+2*0.333333^2*0*0.05*0.03
        =0.111110888889*0.0009+0.111110888889*0.0025+0.111110888889*0.03^2+2*0.333333^2*0.5*0.03*0.05+2*0.333333^2*0.2*0.03*0.03+2*0.333333^2*0*0.05*0.03
        =0.111110888889*0.0009+0.111110888889*0.0025+0.111110888889*0.0009+2*0.333333^2*0.5*0.03*0.05+2*0.333333^2*0.2*0.03*0.03+2*0.333333^2*0*0.05*0.03
        =0.111110888889*0.0009+0.111110888889*0.0025+0.111110888889*0.0009+2*0.111110888889*0.5*0.03*0.05+2*0.333333^2*0.2*0.03*0.03+2*0.333333^2*0*0.05*0.03
        =0.111110888889*0.0009+0.111110888889*0.0025+0.111110888889*0.0009+2*0.111110888889*0.5*0.03*0.05+2*0.111110888889*0.2*0.03*0.03+2*0.333333^2*0*0.05*0.03
        =0.111110888889*0.0009+0.111110888889*0.0025+0.111110888889*0.0009+2*0.111110888889*0.5*0.03*0.05+2*0.111110888889*0.2*0.03*0.03+2*0.111110888889*0*0.05*0.03
        =0.0001+0.111110888889*0.0025+0.111110888889*0.0009+2*0.111110888889*0.5*0.03*0.05+2*0.111110888889*0.2*0.03*0.03+2*0.111110888889*0*0.05*0.03
        =0.0001+0.000278+0.111110888889*0.0009+2*0.111110888889*0.5*0.03*0.05+2*0.111110888889*0.2*0.03*0.03+2*0.111110888889*0*0.05*0.03
        =0.0001+0.000278+0.0001+2*0.111110888889*0.5*0.03*0.05+2*0.111110888889*0.2*0.03*0.03+2*0.111110888889*0*0.05*0.03
        =0.0001+0.000278+0.0001+0.222222*0.5*0.03*0.05+2*0.111110888889*0.2*0.03*0.03+2*0.111110888889*0*0.05*0.03
        =0.0001+0.000278+0.0001+0.111111*0.03*0.05+2*0.111110888889*0.2*0.03*0.03+2*0.111110888889*0*0.05*0.03
        =0.0001+0.000278+0.0001+0.003333*0.05+2*0.111110888889*0.2*0.03*0.03+2*0.111110888889*0*0.05*0.03
        =0.0001+0.000278+0.0001+0.000167+2*0.111110888889*0.2*0.03*0.03+2*0.111110888889*0*0.05*0.03
        =0.0001+0.000278+0.0001+0.000167+0.222222*0.2*0.03*0.03+2*0.111110888889*0*0.05*0.03
        =0.0001+0.000278+0.0001+0.000167+0.044444*0.03*0.03+2*0.111110888889*0*0.05*0.03
        =0.0001+0.000278+0.0001+0.000167+0.001333*0.03+2*0.111110888889*0*0.05*0.03
        =0.0001+0.000278+0.0001+0.000167+0.00004+2*0.111110888889*0*0.05*0.03
        =0.0001+0.000278+0.0001+0.000167+0.00004+0.222222*0*0.05*0.03
        =0.0001+0.000278+0.0001+0.000167+0.00004+0*0.05*0.03
        =0.0001+0.000278+0.0001+0.000167+0.00004+0*0.03
        =0.0001+0.000278+0.0001+0.000167+0.00004+0
        =0.000378+0.0001+0.000167+0.00004+0
        =0.000478+0.000167+0.00004+0
        =0.000645+0.00004+0
        =0.000685+0
        =0.000685
    答案:(1/3)^2*0.03^2+(1/3)^2*0.05^2+(1/3)^2*0.03^2+2*(1/3)^2*0.5*0.03*0.05+2*(1/3)^2*0.2*0.03*0.03+2*(1/3)^2*0*0.05*0.03=0.000685

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