Problems solved: 66

Minimizing Fibb	Not your business	Odd divisors
Numbers ratio	Temirlan's cake	Divisibility by 4
Convex triangle	Powers of 6	Random answer
C Sum	Squared fours	One three-digit number
Friendly rooks	Area of triangle	Square multiples of 24
Sum of digits 2020	2+1	All such
Tommorow's day	Test	Cubical squares
Sum of four	Exactly two roots	Tricky polynomial
Sequenta	Function	Special square
Bingo!	Math lesson	Arithmetic derivative
Again these rooks	5th power equation	More dominos
Switchers	Small triangular numbers	Relatively prime with 2020
Weird equation	Oh-matrix	Many digits
Just sequence	Positive product of sums	Almost squared numbers
NRD pair	Expanding brackets	U turn
2020 Palindromes	6 Apart	Money date
2020 digit	Diameter	Equilateral Triangles
Angle chasing	Four on a circle	5 instead of 1
Viet said	Bools and cows	Tricky
Triangle in hyperbola	VNT	Point O
What a function	Fill the square	Prime powers
Product of differences	Odd polynomial	Tricky sequence

Games

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