Нашел раскраску для ребёнка - "A Mathematical Coloring Book".
https://www.d.umn.edu/~mhampton/mathcolor17b.pdf
@sergeyb another fun one https://www.kickstarter.com/projects/coniccoloringbook/conic-sections-and-celestial-mechanics-coloring-book/posts/2828043
@dpwiz nice, thanks!
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.
@dpwiz nice, thanks!