x^2/（0.3-x）^2
    sinx=2x-3
    4.2x^2-6.368x+1.88＝0
    4.2x^2-8.02x+0.7＝0
    √（x+10）²+200²
    10^5x^2+1.8x－0.18=0
    sinx=2x-3
    arctan0.5x+arctan2x=180
    16x-16=3*(x^2)
    80%*（80%x-20）+20+68=x
    17-2X=7
    40-8X=36
    3(x十5)-6=5(2x-7)+2
    3x+x=17
    x^4-x^2+2=0
    240-24x=170-10x
    240x-24x=170-10x
    x×x＋4.469×x－4.9759=0
    x/60+x*0.002=5009
    3^xln3-4x

Home page << page2635 page2636 page2637 page2638 page2639 ... ... page2641 page2642 page2643 page2644 page2645 >> Last page 31237 pages in total