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    x^2-9.6+17.8=0
    x^2-9.6x+17.8=0
    (100000+x)*3=10x+1
    (14.4+x)/(180+x)=0.1
    14.4+x/180+x=0.1
    x=cosx
    x=tanx
    0.64x = 256
    400(1-X)(1-x) = 256
    25(1+X)(1+x)=36
    (17-X)(12-X)=176
    4(2X+1)(2X+1)-9(2X-1)(2X-1)=0
    3.5913=((30.56*0.847(x+0.1))/(1+0.847(x+0.1))*((100-8.28-1.4)/100)*(1/(1+0.31*1.4)+((2.26(x+0.1))/(1.3*0.101325))
    x²+31x-88=0
    e^(x+1)+e^(-x)-e-1=0
    11560000-6800x+x2=x/5
    11560000-6800x=1
    13c=(3.3+c)×7.93
    1.4465=((0.021*x^1.85+398)^0.5)*x^0.84
    0.4465=((0.021*x^1.85+398)^0.5)*x^0.84

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