Mathematics
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    0.00924*x/0.394=0.00924*(60^2-x^2)/2/(385.12+12.44-0.394*x)
    0.00924*x/0.394=0.00924*(60^2-x^2)/2/(385.12+12.44-0.394*x)
    x^2+x-2=0
    0.0000924*x/0.394=0.0000924*(0.6^2-x^2)/2/(3.8512+0.1244-0.394*x)
    x^2+x-2=0
    -225x+1200=50 225x-1200=50
    75x=50
    0.0000924*x/0.394=0.0000924*(0.6^2--x^2)/2/(3.8512+0.1244-0.394*x)
    0.0000924*x/0.394=0.0000924*(0.6^2--x^2)/2/(4.1-0.1244)
     h = ((((0.013×82.801)÷√(0.253))×(4+2×√(1+(3.82^2))×h)^(2/3))^(3/5) ) ÷(4+3.82h)
     h = ((((0.013×55.348)÷√(0.253))×(4+2×√(1+(3.82^2))×h)^(2/3))^(3/5) ) ÷(4+3.82h)
    h=((((0.013×55.348)÷√(0.253))×(4+2×√(1+(3.82^2))×h)^(2/3))^(3/5)
    h=((((0.013×82.801)÷√(0.253))×(4+2×√(1+(3.82^2))×h)^(2/3))^(3/5)
    sin(10)x=3000-(x/1000/4.12)^2
    sin(10)*x=3000-(x/1000/4.12)^2
    (0.5x/20+4.5)*3x*0.02x=100000
    120/(1+x)=10
    110/(1+x)-100=0
    2x²+5x-13=0
     X +9÷4-2×3=30

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