50000+4X=30000+10X
    94206c-20566c（-2993c+299902c）-20567=22482
    132200+136800/x+136800/x^2-178012.78/x ^3=0
    x=lnx
    3x/（10-x）=（12-3x）/1.5x
    50X+（50-X）×30=1800
    50X+（50-X）×30=1800
    [150×(1-10%)-100]+[225(1-a%)-150]×40×20=2000
    55=（x+3）*arccos(110/(x+3))
    37.5=（x+3）*arccos(75/(x+3))
    4x-20-2x=40
    3x^2+2-1/x^2=0
    4x-（10+x）*2=40
    3x^4+x^3-1=0
    3x^4+x^3-1=0
    x^2=1.8*10^-5
    X-3/2+x-1/3=4
    x^2=1.8*10^-5
    X/2-3+x/3-1=4
    x^2+0.054x-0.0054=0

Home page << page2421 page2422 page2423 page2424 page2425 ... ... page2427 page2428 page2429 page2430 page2431 >> Last page 31237 pages in total