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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    x=2.9*1000000000*(1-4x)^4
    3.9783=(28.02*0.369*(x+0.1))/(1+0.369(x+0.1))*(100-11.4-6.66)/100*1/(1+0.31*1.14)+(1.45(x+0.1))/(1.3*0.101325)
    3.9783=(28.02*0.369*(x+0.1))/(1+0.369(x+0.1))*(100-11.4-6.6)/100*1/(1+0.31*1.14)+(1.45(x+0.1))/(1.3*0.101325)
    10*lgx=-20*lg(15/(7.5*7.5))
    10*lgx=20*lg(15/(7.5*7.5))
    0.9*(66+x)=59+x
    0.9*(66+x)=58+x
    X-X*0.15=335
    4*x^2+21*x+20=0
    e^(-x*3.14/sqrt(1-x^2))=0.2
    10×X^2-0.0001×21.8276×X+9.748×0.00000001=0
    90+arctan(x÷2)+arctan(x÷6)+arctan(x÷2)+arctan(1.27×x)-arctan(64.8×x)-arctan(x÷102.8)=180
    90+2×arctan1.75+arctan0.5833+arctan(3.5×x)-arctan(51.4×3.5x)-arctan(3.5÷102.8)=225
    0=0.001X^2+(-0.6071×0.00000001)X+(0.0203×0.000000000001)
    0.001X^2-0.6071×10^-10×X-0.0203^10-12=0
    197=((0.021*x^1.85+326)^0.5)*x^0.84
    0.001×X-0.6071X+0.0203=0
    20000=25(x+2x)+25x
    30÷X十25=85
    37一X一2X=4

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