169*0.82*1/5*1*6+169*0.82*4/5*1/5*2*6+169*0.82*(1-1/5-4/5*1/5)*3*6+1014
    169*0.82*1/5*6*2+169*0.82*4/5*1/5*6*3+169*0.82*（1-1/5-4/5*1/5）*6*4
    0.15*20X+0.85*44x=19631*0.53
    0.15*20X+0.85*44x=14338*0.53
    2/17
    8.5
    7
    6
    5
    4
    3
    8
    888888
    88888
    x-3(x-2)<0
    1+1=3
    8:4:36
    8：4：36
    0.15*15X+0.85*44X=19631*0.53
    0.15*15X+0.85*44X=14338*0.53

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