Attentiveness, Mathematics
10-August-2024 Saturday
Reply to the post “Entertaining Table”
08-August-2024 Thursday
Entertaining Table
02-July-2022 Saturday
Your reply?
23-April-2022 Saturday
A simple task or about the benefits of critical thinking on an example
30-April-2021 Friday
Who's smart here!?
07-March-2019 Thursday
Google made a mistake in doodle
18-January-2019 Friday
Where is 10 rubles?
03-December-2017 Sunday
Zero proof.
25-July-2017 Tuesday
Here is the geometry
17-May-2017 Wednesday
How many mushrooms are in the third barrel?
23-February-2017 Thursday
Help me decide!
09-January-2017 Monday
Somehow in the store, a marvel of mathematics
28-November-2016 Monday
Sober mind test :)
02-June-2016 Thursday
An interesting puzzle ... What do you say?
08-December-2015 Tuesday
Mathematics and Mindfulness
18-November-2014 Tuesday
The benefit of the offer is overwhelming!