170.6+12.22*s-122.2=520+8.9*s
    120*x^2-23052*x-1728900=0
    （1/6）÷（5-3）*3=x
    0.1=x/1000+x
    arctan(0.01*s)+arctan(0.1*s)+0.005*57.3*s=0.7854
    arctan(0.01*s)+arctan(0.1*s)+0.005*57.3*s=0.6807
    arctan(0.01*s)+arctan(0.1*s)+0.005*57.3*s=39
    0.79*0.66*2.43*1.31*x=1.92
    0.92=x/(x+2)
    4s²＋16s＋25＝0
    x*e^(-x)=10
    x^3-3x^2+x-1=0
    x^3-3x^2+x-1=0
    x +25=6x
    cos2x
    a^4-34a^2-34*16=0
    x+（x*578）/2080=51
    （x+6）x20=（x+6+x）x12
    (1+k^2)((-2k/(k^2+2))^2-4*(-1/(k^2+2)))=9/2
    (1+k^2)(1-16k-8k^2)/(4+4k+k^2)=3*sqrt(2)/2

Home page << page2631 page2632 page2633 page2634 page2635 ... ... page2637 page2638 page2639 page2640 page2641 >> Last page 31237 pages in total