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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    2x^2-80x+150=0
    4x^4-32x^3+144x^2-320x+399=0
    150x(X一25)+200x(X- 20)=3800
    x+x-1+x-2+x-3+x-4=423
    n²-11n=60
    w*w*(0.01w*w+1)*(0.000001w*w+1)=1000000
    w*w*(0.01w*w)*(0.000001w*w)=1000*1000
    (X+24)*10/2-(24-X)*10/2=150
    (X+24)*10/2-(24-X)*10/2
    2x^2+27x+90=0
    x^2+18x+90=0
    13.19x=(x+3.5)×7.98
    13.19x=(x+3.2)×7.98
    1500x+2500(50-x)=100000
    825*(1+((90-116)/116*0.5+(1880-1734)/1734*0.5)*0.4)=X
    (x-22.3)/x=0.55
    16a+(71-a)=500
    16a+4*(71-a)=1000
    16a+4*(71-a)=1024
    16a+4*(71-a)=1000

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