Problems solved: 31

Four on a circle	Function	Simple expression
Bingo!	Small triangular numbers	Not your business
Weird equation	Zero sequence	U turn
Random answer	Money date	5th power equation
All such	Similar polynomials	Squared fours
2+1	Divisibility by 4	2020 Palindromes
Expanding brackets	One three-digit number	Just sequence
Sum of four	Relatively prime with 2020	Temirlan's cake
Cubical squares	Tommorow's day	2020 digit
Numbers ratio	Test	Area of triangle
Sum of digits 2020

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