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current location:Solving equations online > On line Solution of Monovariate Equation > The history of univariate equation calculation
    x^6-15x^5+82x^4-206x^3+246x^2-130x+24=0
    b=arctan(42.2/51.33)
    b=arctan(42.2/75.39)
    b=arctan(42.2/20.87)
    b=arctan(42.2/54.28)
    96/600+X=60/240+X
    x^4+x^3+x^2+x+1 = 0
    x^4-x^3+x^2-x+1 = 0
    x^4-x^3-x^2-x-1 = 0
    x^4-x^3-x^2-x+1 = 0
    (540+900x)(1+8/9x)=575
    49+0.38*X=0.6*X
    (30+x)/200=x/25
    3X+5X+2X+3X+600=15X
    23.12=x(1+5×10%)÷5+x×4%
    23.12=x(1+5×10%)÷(5+x×4%)
    23.12=x(1+5×10%)÷(1+x×4%)
    23.12=x(1+5×10%)÷(1+5×4%)
    7x+6x+14x+10.5x+3=42x
    D=1.13*(1/4)^1/2

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