（40.221+x）×1.35＝40.221+69.742-x
    （40.221+x）×1.15＝40.221+69.742-x
    1=X^2*10000
    60/20*(30+t)＝80/40t
    60/20*(30+t)＝80/40t
    96=6/1.1111+6/1.0771^2+106/(1+x)^3
    700=500/(1+x)+500/(1+x)^2
    342+2x=856
    2x+6=72
    2x+6=72
    x+（x÷11.3）=75000
    （24-x）*6=（21-x）*8
    （24-x）*6=（21-x）*8
    200=(100-5)*8-X-20*8
    （24-x）*6=（21-x）*8
    （900-11）*X=1200+650*X
    2(5+x+36)=88.4+88.4+202-62-x
    2(5+x+36)=88.4+202-62-x
    (tanx)^2+(2/((cosx)^2))+6((tanx)^2)/((cosx)^2)+1=0
    (tanx)^2+(2/((cosx)^2))+6((tanx)^2)/((cosx)^2)+1=1

Home page << page1890 page1891 page1892 page1893 page1894 ... ... page1896 page1897 page1898 page1899 page1900 >> Last page 31249 pages in total