Mathematics
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    (1-a)<1
    x^(2)+x+1
    1+x+x^(2)
    4x-x^(2)-3
    x^(2)-4x+3
    x+3>6
    x+2>5
    x-3.5<-4
    2.5x>10
    3/6
    3/5
    3*5
    1+1
    2x-1<0
    7x^2-1740x+33600=0
    7x^2-2000x+33600=0
    78.59
    198.51/3%[1-1/(1+3%)n]
    198.51/3%[1-1/(1+3%)42]
    198.51/3%(1-1/(1+3%)

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