10x＾2+0.0502x-2000
    4x+3(-2x^2+1)=12
    4x-6x^2+3=12
    3*0.0006x^2-2*0.0267x+0.2931=0
    5x^2-6x+100=0
    3Q^2-24Q+100=79
    z^2-40z+325=0
    Q^3-6Q^2-500=0
    1.7-2x=49x^(2)
    25000+x=6x
    10x2+36x+27=0
    2ln[(0.2-x)/(0.11-x)]-ln[(0.2-x)/(0.15-x)]=0.28/(0.2-x)
    (121-44x+4x^(2))÷（2+3x+x^(2)）=49.7
    (121-44x-4x^(2))÷（2+3x+x^(2)）=49.7
    (0.2-x)(0.15-x)/(0.11-x)(0.11-x)=exp(0.28/0.2-x)
    3Q^(2)-24Q+100=60
    3Q^(2)-24Q 100=60
    X-5/6=2/15
    X-3/5-1/6=2/5
    1/317.55-8.314*lnx/48497.472=1/329.03-8.314*ln(1-x)/72713.088

Home page << page30896 page30897 page30898 page30899 page30900 ... ... page30902 page30903 page30904 page30905 page30906 >> Last page 31249 pages in total