10001x^2-24x-256=0
    x^2-2024x+2023=0
    x^2-2024x+2023=0
    x^2-2024x+2023=0
    3.210.212x4
    3.210.212x=4
    3.2/0.2/2x=4
    3.2/0.2/2x=4
    3.2/0.2/2x=4
    2.7x+5=20-2.3x
    2.7x+5=20-2.3x
    2.7x+5=20-2.3x
    12-(x-10)=2.4
    (4*3/(x+5/3))^2+(3x+5)/5=(13/5-x)^2+16
    (4*3/(x+5/3))^2+(3x+5)/5=(13/5-x)^2+16
    （x-60）（-20x+2400）=16000
    -x²+180x-8720＝0
    x=-2.01×lg(1.38×10^-6+9.74×10^-8×x)
    10^ x=(1.38×0.000001+9.74×0.00000001×x)^-2.01
    2(x+24.2)=50+220-2x

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