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    X^5+10x^3+20x-4=0
    a(a+1)(a+2)(a+3)
    t=(t-2)×100/92
    x^3-3x+1=0
    x^3-3x+1=0
    t=(48-2)×100/92
    t=(t-2)×100/92
    X^2+1400x=4800
    3*11/10*x+(7-x)*95/100*2=17.5
    3*11/10*x+(7-x)*95/100=17.5
    x×x=㏑(x+1)
    6x^2+14x +6=0
    6x^2+13x +6=0
    x×(3.5+x)=36
     3x+3.9(25-x) = 83.1
    2^x=x^2
    3x+3.9(25-x)=83.1
    2/x+2=2/(x+1)
    A-(185000*((77.82*10^-3)^2)*700^2)/(24*A^2)=420-(185000*((114.95*10^-3)^2)*700^2)/(24*420^2)-(11.5*10^-6)*185000*(40-10-10)
    A-(185000*((77.82*10^-3)^2)*700^2)/(24*A^2)=420-(185000*((114.95*10^-3)^2)*700^2)/(24*420^2)-(11.5*10^-6)*185000*(35-10-10)

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