ex/x
    xe^x=1
    xe^2=1
    x/（100+x）=0.125
     128 *x^6-192*x^4+72*x^2 -x-2 = 0
    12/x-12/1.2x=10
    (18000+x)/12=(9500+x)/7
    0.3Q²-4Q-40=0
    41-x=59
    50(x-2)+170=55(x-1)
    4778488278883777+x=1672782882*3
    2.44×t+5.51×t^2=2.74
    41-x=59
    x^2-10x+22=0
    10%=【0.53*（1+X）/16.2】+X
    0.9x-20=0.75x+25
    0.75x+25=0.9x-20
    X÷32+x÷28=15
    X÷32+x÷28=15
    x^3－2x^2＝144

Home page << page1906 page1907 page1908 page1909 page1910 ... ... page1912 page1913 page1914 page1915 page1916 >> Last page 31237 pages in total