Rave, Task
19-March-2023 Sunday
What's wrong here...
08-May-2020 Friday
Online training
28-November-2019 Thursday
Nothing unusual, just math problems in a textbook for 4th grade in Kazakhstan.
12-November-2019 Tuesday
Oh, this math!
21-September-2017 Thursday
From a series of crazy tasks about watermelons and eggs
14-July-2017 Friday
Interesting task..
23-October-2016 Sunday
There is always an answer to any problem.
12-October-2016 Wednesday
Expert.
11-September-2015 Friday
Physics problem
23-March-2015 Monday
A few tough challenges.
13-March-2015 Friday
Problem
10-February-2014 Monday
The task of informatics of elementary grades
15-November-2013 Friday
Decide? - pffff...
26-March-2013 Tuesday
Problem about strangers (the answer will be after 30 comments or in a couple of hours)
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