1/cos45+tan45
    1/cos30
    1/cos45
    (1+sin45)/cos45
    15*14400/21+6*18000/21
    cos（4/5*π）+cos(8/5*π)+cos(12/5*π)+cos(16/5*π)+cos(20/5*π)=
    cos(4/5*π）=
    5^−18π
    13991*11.2%/(1+11.2%)
    85+70+61-16-12-9+10
    85+70+61
    1.618*0.6399*e0.0332514
    64188-770
    (16495-1170
    cos3
    lne^2
    31211101768954321/12345678910126213
    20/3+10-3/20=
    111*1111
    99*99

Home page << page1871 page1872 page1873 page1874 page1875 ... ... page1886 page1887 page1888 page1889 page1890 >> Last page 3399 pages in total