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