MathForces: Math Olympiads
MathForces - Math Olympiads
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angryalex
Olympiad Rating:
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Problem rating:
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Country: RU
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MathForces Round 5: Beginners
1160
MathForces Round 4: Raccoons
1160
Problems solved: 61
Not your business
Numbers ratio
Diameter
6 Apart
Triangle in hyperbola
Weird equation
Cubical squares
Test
Just sequence
What a function
Sum of four
C Sum
Temirlan's cake
Viet said
Squared fours
Convex triangle
Relatively prime with 2020
Friendly rooks
Four on a circle
Tricky polynomial
Tommorow's day
Many digits
One three-digit number
2020 Palindromes
First geometry
Random answer
2+1
Angle chasing
Expanding brackets
Similar polynomials
Area of triangle
Function
Simple expression
Bingo!
Small triangular numbers
2020 digit
Positive product of sums
Sum of digits 2020
Money date
Tan-Sin
Exactly two roots
Square multiples of 24
Divisibility by 4
Sum probability
Almost squared numbers
Sequenta
U turn
Parking
Equilateral Triangles
5 instead of 1
Novirus
!Fancy cubic
Lucky numbers
ADAD
Flip
Concetric
New FE
Not fibbo
Gineq
Cyclic Areas
Semiperimeter
Games
Under construction