Problems solved: 21

Just sequence	Small triangular numbers	Not your business
2+1	One three-digit number	Money date
2020 Palindromes	Difference of squares	Uneven numbers
Sum of Digits	Area of triangle	Sum of four
Random answer	2020 digit	Numbers ratio
Product of differences	Point O	Cubical squares
Tommorow's day	Temirlan's cake	Test

Games

Under construction