Problems solved: 23

Area of triangle	Bingo!	Not your business
Many digits	Sum of four	2+1
Divisibility by 4	Triangle in hyperbola	Relatively prime with 2020
Function	One three-digit number	Equilateral Triangles
2020 digit	Angle chasing	Money date
2020 Palindromes	Random answer	Cubical squares
Temirlan's cake	Numbers ratio	U turn
Tommorow's day	Test

Games

Under construction