(x-7)/x=0.5
    (x-5.5)/x=0.5
    (x-5.5)/5.5=0.5
    1.5x^2=22
    15%=(x-1.23)/x%
    x-15/x=1.23
    480x-100(x+1)=50(7x+1)
    x^{3}+2x^{2}+x+4
    25+x＝33.60+149.186-x
    25+x3＝33.60+149.186-x
    25+x＝33.73+149.55-x
    25+x²=（10√3+1）x
    25+x²=（5√3+1）x
    x*sqrt(1-2*0.27^2)=45.3
    x*sqrt(1-2*0.27^2)=sqrt(45.3)
    x*sqrt(1-2x^2)=sqrt(45.3)
    lgx=1.5
    20lg(1/(2*x))=-6
    20lg(1/(2x*sqrt(1+2x^2)))=4.58
    20lg(1/(2x*sqrt(1+2x^2)))=8

Home page << page162 page163 page164 page165 page166 ... ... page168 page169 page170 page171 page172 >> Last page 31237 pages in total