1000=x（x+40）
    （92-2x）（60-x）÷6=885
    3/5=(25/9+9-x²)/10
    (sqrt(x))^(sqrt(x)+1)=5-x^2
    x^(sqrt(x)+1)=3-x
    x^sqrt(x)=4-x
    x^2-14x=-48
    x^2-x+48=0
    20t-1.25t^2=1
    20t-1.25t^2=85
    0.11*x=0.809-0.809*0.001*x^2
    2x²-x
    0.6x+2/7-(2/7)x=0.336
    0.6x+2/7+(2/7)x=0.336
    10t+5t^2=6
    10t+5t^2=1.8
    （m-30）（600-10m）=10000
    -10x²+900x-28000=0
    4t+5t^2=1
    t*(20+5t)=8.8

Home page << page844 page845 page846 page847 page848 ... ... page850 page851 page852 page853 page854 >> Last page 31249 pages in total