m×m+m-1=223
    m×m+m-1=223
    m×m+m-1=223
    3x^2+8x-2=0
    x+80
    x＾5＋10X＾3＋20x-4＝0
    x^2/0.01-x＝0.00000011
    x^2/0.01-x＝1.1
    x^2/0.01-x＝1.1*10^-7
    3X+1＝4
    x^2-1.3x+2.6
    x^2-1.3x+2.6
    21 x²＋242 x＋621＝0
    21 x²＋242 x- 621＝0
    21 x²-242 x- 621＝0
    2xXx=128
    381.2x=3.019*(0.0083+0.114x^0.67)^0.5
    1/2cosx
    381.2x=1.42－10.11x^0.67
    381.2x=1.42－10.11x^(2/3)

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