Problems solved: 75

Cyclic Areas	Expanding brackets	All such
Fancy meal	C Sum	Positive product of sums
Regular Polygons	Max Area	Concetric
Unordered triplet	Gineq	Sequenta
Sum of Digits	Uneven numbers	These Triangles
Lin's Octagon	Ordered papers	Triangle in Hexagon
6-sums	Irreducible Fractions	Not fibbo
Four equal angles	Sum probability	Quadratic
Lucky numbers	Semiperimeter	Seven eleven
D Flags	!Fancy cubic	Weird equation
Triangle and Square	Five Primes	Just Easy Sum
Lin does shopping	Fractions	Viet said
New FE	Friendly rooks	Bingo!
5 instead of 1	First geometry	Function
Area of triangle	Squared fours	Half of Octahedron
Money date	Divisibility by 4	Sum of digits 2020
2+1	U turn	Parking
Equilateral Triangles	Angle chasing	Not your business
Bools and cows	Relatively prime with 2020	Triangle in hyperbola
Oh-matrix	Point O	Product of differences
Just sequence	Many digits	2020 digit
2020 Palindromes	5th power equation	x[x]
One three-digit number	Sum of four	Random answer
Temirlan's cake	Test	Cubical squares
Tommorow's day	Small triangular numbers	Numbers ratio

Games

Under construction