Is there a site like codewars but only about mathematics?

Question

Mathematics

Is there a site like codewars but only about mathematics?

Answer 1

link

Answer 2

No, at one time, I didn’t even manage to find a problem book on matan with solutions for checking. And you already want a whole site.

Answer 3

There is Cody for MatLab , but there, when solving, you can only look at options that are worse than yours, and you won’t see the best ones.