Problems solved: 70

Relatively prime with 2020	Numbers ratio	One three-digit number
Sum of four	Money date	Cubical squares
Temirlan's cake	Test	2020 Palindromes
Tommorow's day	Random answer	Square multiples of 24
Function	NRD pair	2+1
Expanding brackets	Weird equation	Small triangular numbers
Equilateral Triangles	Parking	Divisibility by 4
Squared fours	Bingo!	Minimizing Fibb
Zero sequence	Area of triangle	Many digits
2020 digit	Just sequence	Oh-matrix
Angle chasing	C Sum	Simple expression
Not your business	Sum of digits 2020	Bools and cows
Novirus	5 instead of 1	U turn
Triangle in hyperbola	Product of differences	Sum probability
6-sums	Lucky numbers	Concetric
New FE	Gineq	Friendly rooks
Flip	First geometry	Uneven numbers
Digital Cubes	Semiperimeter	Sum of Digits
Just Easy Sum	Five Primes	Triangle and Square
Four equal angles	Zeros and Ones	Regular Polygons
Triangle in Hexagon	Cemicirlces	Factorial Factor
Seven eleven	Irreducible Fractions	Positive product of sums
Fractions	Odd divisors	Difference of squares
Product of areas

Games

Under construction