Problems solved: 88

Digital Cubes	Temirlan's cake	2020 digit
Money date	2+1	One three-digit number
Lucky numbers	Just Easy Sum	Five Primes
6-sums	Divisibility by 4	Sum of Digits
Bingo!	Relatively prime with 2020	Test
Cubical squares	Tommorow's day	Numbers ratio
Sum of four	Squared fours	Friendly rooks
2020 Palindromes	Random answer	Area of triangle
Sum of digits 2020	Square multiples of 24	NRD pair
Zero sequence	U turn	C Sum
Factorial Factor	Seven eleven	Bools and cows
Oh-matrix	Semiperimeter	Fractions
Flip	D Flags	Weird equation
Irreducible Fractions	Small triangular numbers	Equilateral Triangles
Not your business	Product of differences	New FE
5 instead of 1	Concetric	Triangle in Hexagon
Triangle and Square	Independence	Lin does shopping
Zeros and Ones	Revolution	Regular Polygons
Odd divisors	Positive product of sums	Negative roots
Rational Irrational	Powered Numbers (Duplicate)	Gineq
Product of areas	Simple expression	Simple sum
Lin's Numbers	Parking	Max Area
Novirus	!Fancy cubic	Cube Cube Square
Daniyar's Friends	Lin's Octagon	Powered Numbers
Almost squared numbers	Just sequence	Expanding brackets
Function	Sequence	Cool-divisble numbers
Sequenta	Angle chasing	Cuboid
Base4	Solutions on the interval	Not fibbo
Ordered papers	Quadratic	Sum probability
x[x]

Games

Under construction