(1+(1-(1-a)^9)*(195*a*a+63*a+18)/(19*a*a+6*a+3))/9<(1+(1-(1-a)^10)*(186.89*a*a+54.23*a+12.8)/(17*a*a+5*a+2))/10
    195*a*a+63*a+18<198.76*a*a+70*a+19.36
    (1+(1-(1-a)^9)*(51*a*a+63*a+18)/(19*a*a+6*a+3))/9<(1+(1-(1-a)^10)*(186.89*a*a+54.23*a+12.8)/(17*a*a+5*a+2))/10
    (1+1-(1-a)^9*(51*a*a+63*a+18)/(19*a*a+6*a+3))/9<(1+(1-(1-a)^10)*(186.89*a*a+54.23*a+12.8)/(17*a*a+5*a+2))/10
    (1+1-(1-a)^9*(51*a*a+63*a+18)/(19*a*a+6*a+3))/9<(1+(1-(1-a)^6)*(24*a+10)/(3*a+2))/6
    (1+1-(1-a)^9*(52*a*a+63*a+18)/(19*a*a+6*a+3))/9<(1+(1-(1-a)^6)*(24*a+10)/(3*a+2))/6
    52*a*a+63*a+18<198.76*a*a+70*a+19.36
    (1+1-(1-a)^9*(117*a*a+261*a+18)/(19*a*a+6*a+3))/9<(1+(1-(1-a)^6)*(24*a+10)/(3*a+2))/6
    117*a*a+261*a+18<198.76*a*a+70*a+19.36
    64n+3.5n(n-1)>1864
    -1
    m+1<3
    1/4+1-(1-a)^4<1/6+(1-(1-a)^6)*5.3913/6
    [1/4+1-(1-a)^4]<{1+[1-(1-a)^4]*(8*a+8)/(a+2)}*1/4
    [1/4+1-(1-a)^4]<{1+[1-(1-a)^6]*(24*a+10)/(3*a+2)}*1/6
    k^2-4k*(-33)<0
    (x2−13)×(x−2)≥0
    (x2−13)(x−2)≥0
    (x2−13)(x−2)/x−1≥0
    (x2−13)(x−2)x−1≥0

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