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    x^3-12x+16=0
    e^(x/0.22*10^(-9))=5.0955*10^(-46)/(x^5)
    240÷x=270÷1.5x+1
    10^8*e^(-x/(0.22*10^(-9)))+16*10^(-38)/(3.14*x^5)=0
    -10^8*e^(-x/(0.22*10^(-9)))+16*10^(-38)/(3.14*x^5)=0
    cos(x) = x
    -10^8*e^(-x/(0.22*10^(-9)))-5*10^(-21)/37.68*((-2)/x^3+(-2)/(x+8*10^(-9))^3+4/(x+4*10^(-9))^3)=0
    x+9.33x+5.8x=577597.89
    5x=6/7
    4375x^3-7.5x-24=0
    -10^8*e^(-x/(0.22*10^(-9)))-5*10^(-21)/37.68*(1/x^2+1/(x+8*10^(-9))^2-2/(x+4*10^(-9))^2)=0
    0.6556*x=2.5*ln(25000*2.593/1.006/x)+5.5
    x^(2)+40x=1100
    0.5+0.25+0.125+0.5^x=1
    0.5+0.5^x=1
    2^x=3160000000
    x^(2)+2x*8%+0.64%=1
    2^x=25000
    0.6556*x-13.27=ln(x)
    ((1050-1147)^2+(1100-1147)^2+(1080-1147)^2+(1120-1147)^2+(1200-1147)^2+(1250-1147)^2+(1040-1147)^2+(1130-1147)^2+(1300-1147)^2+(1200-1147)^2)/9=

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