Problems solved: 22

D Flags	Bools and cows	All such
Zero sequence	Sum of digits 2020	Squared fours
2+1	5 instead of 1	Weird equation
Area of triangle	Divisibility by 4	One three-digit number
Relatively prime with 2020	2020 digit	Money date
Random answer	Sum of four	Temirlan's cake
Cubical squares	Tommorow's day	Numbers ratio
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