Problems solved: 36

Money date	Weird equation	D Flags
Sum of digits 2020	Small triangular numbers	Bools and cows
Lucky numbers	Friendly rooks	Quadratic
Lin's Numbers	Triangle and Square	Triangle in hyperbola
Viet said	Zero sequence	Rational Irrational
Minimizing Fibb	Simple expression	One three-digit number
Function	2+1	Half of Octahedron
Product of areas	2020 Palindromes	Squared fours
Random answer	Divisibility by 4	Sum of four
Just sequence	Fractions	2020 digit
Not your business	Cubical squares	Numbers ratio
Test	Tommorow's day	Temirlan's cake

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