(24-x)(24-x)+(7+x)(7+x)=625
    (1+1/x)*e^(-1/x)=ln2
    (1+x)*e^(-x)=ln2
    (20-x)(70-x)=2240
    √4-x²
    20(1+x)^=45
    3（cosx）^2=1
    3（cosx）²＝1
    -81x＾2+496x-648=0
    -81x＾2+496x-648
    9/64(m-4)^2+(2-1/2m)^2=m^2
    a*a+a=600
    x^3-3x^2-9x-5
    (2.4/a-0.2a-0.8)^2+(4.8/a-0.4a-1.6)^2=7.2
    (2.4a-0.2a-0.8)^2+(4.8a-0.4a-1.6)^2=7.2
    4x^3+2x-1=0
    X^2-4X-4=0
    560(1-x)²=315
    √x/5-√(x-1)/5=0.2
    600000 = 30000*x*490.874*sqrt(1-1/(1+x-0.0003395)^2)*20

Home page << page857 page858 page859 page860 page861 ... ... page863 page864 page865 page866 page867 >> Last page 31237 pages in total