Entertaining math, Logical task

23-June-2020 Tuesday
Problem 3

01-May-2019 Wednesday
New rules = new challenges (2)

01-September-2018 Saturday
A task for the attentive, oh how you have to break your head!

04-December-2017 Monday
A task for pikabushniks (with practical application)

27-April-2017 Thursday
Problem about brothers

27-October-2014 Monday
It may be a daunting task, but I found it interesting


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