-s^4+2s^3+8s^2+8s＝0
    -s4+2s3+8s2+8s＝0
    arctan(x/（x∧2+1）∧(1/2))
    arctan(x/（x∧2+1）∧(1/2))
    y^2+31y-210=0
    X/(1-X)^2=0.54
    arctanx-arctan(0.02*x)=60
    arctanx-arctan(0.02*x)=60
    3X+3+X+2X=63
    X*X/3=4
    X+X/3=4
    50 x+70（100 -x）=6200
    X+X/3=4
    arctanx+arctan0.1x-90
    arctanx+arctan0.1x-90
    lnx×e∧（-x）
    5y^2-8y+16=0
    （1+0.1）x*0.95 = 83.6
    （1+0.1）x*0.95=83.6
    （1+10%）x×95%=83.6

Home page << page2520 page2521 page2522 page2523 page2524 ... ... page2526 page2527 page2528 page2529 page2530 >> Last page 31237 pages in total