Mathematics
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    6=sqrt(100+x^2)-x
    sqrt(100+256/9)-16/3
    (x+1/x)^3=
    45500=1/(2*3.14*√33*10^-10*x)
    80(1-x)^2=51.2
    (5^4+64)(13^4+64)(21^4+64)(29^4+64)/(1^4+64)(9^4+64)(17^4+64)(25^4+64)
    9y^4-3y^2+1
    16m^4-9m^2+1
    2048:1080
    0.679*X+285=0.62075*X+332.5
    0.8^(3)-ln0.8-0.75*0.8
    x>1<2
    2*sqrt(x-3)=x-6
    1>x<2
    20*0.15X+44*0.85X=18589*0.53
    20*0.15X+44*0.85X=14589*0.53
    2x>-1 -3x+9≥0
    2x-7<5-2x
    -2≤x+1<1
    -2

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