1800 = (x-4)(-50x+1200)
    -50x^2+1200x=1800
    (14)*(x+800)+(14)*(x+500)+18*x/12+7*x/12+108*x=795780-25600
    (12)*(x+800)+(12)*(x+500)+31*x/6+2*x/2+62*x=464844.00-6200
    -2x^2+72x-640=0
    3x^2 + 2x
    2x^3 + 5x^2 - 3x
    0.4396094*X=2512921.78
    32x^3-24x^2-24x+19=0
    10lgX=-9
    10lgX=3
    x^3-6x+2
    3x^2 * e^(2x)
    260+0.12X=0.98X
    2x + 3/(x+1)
    log(-1/3(x^3))
    x(70-2x+2)=650
    20000÷x=0.00545
    1÷x=2
    1×x=2

Home page << page545 page546 page547 page548 page549 ... ... page551 page552 page553 page554 page555 >> Last page 31307 pages in total