Stereometry
01-September-2024 Sunday
Interesting task
05-August-2023 Saturday
Perhaps this is not just a coincidence, but a pattern?
25-June-2023 Sunday
Mutiny and watermelon
23-October-2022 Sunday
We make a pyramid with our own hands to solve the problem of stereometry
15-November-2021 Monday
On the power of stereometric thinking
27-October-2020 Tuesday
Sections: part two
12-January-2020 Sunday
Geometry 10th grade
03-August-2019 Saturday
Inflatable circle - delusion?
29-January-2018 Monday
simplices
27-November-2016 Sunday
School. Chapter 35 from The Lone Star
23-September-2016 Friday
History of Origami.
22-June-2016 Wednesday
Impossible figures
21-June-2016 Tuesday
Optical illusion
01-April-2015 Wednesday
Some stereometry
30-January-2015 Friday
geometry
12-January-2015 Monday
special cube
07-May-2013 Tuesday
Stereo pair of tesseract.
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