21-December-2013 Saturday
Another problem for the 2nd grade Mathematical Olympiad
06-July-2013 Saturday
tell
05-July-2013 Friday
What are you working for? Dolb##bom?
29-May-2013 Wednesday
meanwhile in russia
15-April-2013 Monday
Hello, give me a cookie
23-February-2013 Saturday
When you don't know what to give
04-February-2013 Monday
Saved up a little
18-January-2013 Friday
Thousands of books on the roads of Melbourne
16-January-2013 Wednesday
World transport system
31-December-2012 Monday
Here is such a "herringbone" in my house :) Happy New Year, dear pikabushniki and pikabushnits :)
07-December-2012 Friday
Christmas zombie apocalypse
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