Cemicirlces 
300 
21 
Geometry,
Areas

Test 
100 
852 

Ohmatrix 
300 
149 
Algebra,
LinearAlgebra,
Matrices

2020 digit 
200 
507 
Algebra,
Digits

Probability computer 
300 
36 
Combinatorics

Sum of four 
100 
417 
Combinatorics,
Digits

Viet said 
500 
106 
NumberTheory

Love Triangle 
400 
6 
Combinatorics

Prime Sets 
500 
8 
Combinatorics,
NumberTheory

Special square 
500 
54 
NumberTheory,
Squares

Product of differences 
300 
123 
Algebra,
Inequalities

Excirlce 
400 
3 
Geometry

Simple sum 
300 
30 
Algebra,
Sums

C Sum 
300 
118 
Algebra,
Combinatorics,
Formulas

Relatively prime with 2020 
200 
234 
NumberTheory,
PrimeNumbers

Lin the Racoon's Debut 
600 
18 
Combinatorics,
Raccoon

Squared fours 
200 
202 
NumberTheory,
Algebra

Convex triangle 
400 
39 
Geometry,
Combinatorics

Odd divisors 
300 
88 
NumberTheory,
Divisors

Positive product of sums 
300 
72 
Algebra,
Equations,
NumberTheory

Powers of 6 
500 
39 
Numbertheory,
Equations

Cyclic Q 
600 
16 
Geometry

Similar polynomials 
500 
52 
Algebra,
Polynomials

Divisibility by 4 
200 
229 
NumberTheory,
Digits

All such 
400 
68 
NumberTheory,
Equations

Polynomial without 4 
400 
43 
Algebra,
Polynomials

Tricky sequence 
500 
30 
NumberTheory,
Algebra,
Sequences

P1 
300 
0 

Triangle in hyperbola 
400 
63 
Algebra,
Geometry,
Coordinates

x[x] 
400 
57 
NumberTheory,
FloorFunction

First geometry 
400 
61 
Geometry,
Circles,
Tangents

Binary polindromes 
300 
6 

D Flags 
200 
74 
WebSearch

335577 
500 
34 
NumberTheory,
Powers

Many digits 
400 
108 
Algebra

Again these rooks 
600 
58 
Combinatorics,
Boards

2020 Palindromes 
100 
377 
Combinatorics,
Palindromes

Angle chasing 
300 
135 
Geometry,
AngleChasing

Progressive sequence 
500 
18 
Algebra,
NumberTheory,
Sequences

Naruto cubed 
300 
0 

Negative roots 
300 
35 
Algebra

Checkboard 
600 
3 
Combinatorics

Right Square 
300 
0 

What a function 
400 
38 
Algebra,
Functions

Tricky polynomial 
600 
47 
Algebra,
Polynomials,
ComplexNumbers

Seven eleven 
200 
64 
Algebra

Pencils 
400 
7 
Combinatorics

Good Order 
600 
3 
Algebra,
NumberTheory

Odd factors 
500 
27 

Just sequence 
300 
148 
Algebra,
Sequences

One threedigit number 
200 
260 
Algebra,
Inequalities

Cubical squares 
100 
630 
Algebra,
Exponents

Almost squared numbers 
300 
48 
NumberTheory

P5 
300 
0 

Bingo! 
200 
157 
Combinatorics,
Probabilities

Exactly two roots 
400 
50 
NumberTheory,
Equations

Prime powers 
400 
37 

School Clubs 
500 
3 
Combinatorics

Big set 
400 
15 
Combinatorics

Friendly rooks 
200 
163 
Combinatorics,
Chess

Sqaure in square 
600 
39 
Geometry,
Squares

Fancy limit 
400 
31 
Algebra,
Sequences

Orthocenter 
600 
12 
Geometry,
Circles,
Tangents

Money date 
100 
325 
Combinatorics,
Probabilities

Air MF 
500 
6 
Combinatorics

Zero sequence 
200 
71 
Algebra,
Sequences

Ordered papers 
300 
34 
Combinatorics

Arithmetic derivative 
500 
42 
NumberTheory,
Functions

NRD pair 
200 
96 
NumberTheory,
PrimeNumbers

Tricky 
400 
61 
NumberTheory

Concetric 
200 
66 
Geometry

Fancy integral 
700 
32 
Algebra,
Sums,
Integrals

Switchers 
400 
44 
Combinatorics,
Sets

Fancy meal 
300 
76 

Fancy point 
500 
11 
Geometry

Friendly Team 
400 
12 
Combinatorics

MTMTK System 
400 
21 
Algebra,
Equations

Simple expression 
300 
83 
Algebra,
Combinatorics

Square multiples of 24 
200 
231 

More dominos 
400 
31 
Combinatorics

VNT 
500 
97 
NumberTheory,
LTE

Equilateral Triangles 
200 
213 
Combinatorics,
Grids

Total inversion 
500 
31 
Combinatorics,
Geometry

Triangle in Hexagon 
200 
58 
Geometry,
Probabilities

Integer sequence 
400 
13 
Algebra,
Sequences

U turn 
200 
148 
Algebra,
NumberTheory,
Digits

Zeros and Ones 
300 
25 
Combinatorics

2+1 
200 
251 
Algebra,
Arithmetics

Cooldivisble numbers 
300 
68 
NumberTheory,
Digits

Digital Cubes 
100 
91 
Algebra,
Digits

Rational Irrational 
300 
33 
Algebra,
NumberTheory

Gineq 
300 
51 
Geometry

Teleporting button 
300 
18 
Combinatorics,
Probabilities

Fractions 
300 
114 
Algebra

Powered Numbers (Duplicate) 
300 
51 
Algebra,
NumberTheory

Bools and cows 
200 
164 
Random,
Combinatorics

Tommorow's day 
100 
659 
Algebra,
Digits

Numbers ratio 
100 
602 
Algebra,
Arithmetics

Semiperimeter 
200 
42 
Geometry

Max Area 
300 
39 
Geometry

Sum of Digits 
200 
73 
NumberTheory,
Digits

Functional Eq 
700 
16 
Algebra,
FunctionalEquations

ADAD (Duplicate) 
400 
40 
Geometry,
Circles

Difference of squares 
200 
51 
Combinatorics,
NumberTheory

Fancy polynomial 
800 
20 
Algebra,
Polynomials

Four equal angles 
200 
74 
Geometry

Expanding brackets 
300 
146 
Algebra,
Polynomials

Regular Polygons 
200 
53 
Geometry,
Combinatorics

New Cake 
400 
26 
Geometry

Lin's Game 
400 
9 
Combinatorics,
Games

Sequenta 
300 
67 
Algebra,
Sequences

Uneven numbers 
100 
138 
NumberTheory

Not your business 
200 
190 
Geometry,
Tangents

Sum of Squares 
500 
24 
Geometry

!Fancy grid 
700 
9 
Combinatorics,
Graphs

!Fancy polygon 
400 
38 
Geometry,
3D

Simple Altai 
400 
19 
NumberTheory

Subsets Collection 
600 
27 
Combinatorics,
Sets

Diameter 
400 
54 
Geometry,
Perpendiculars

Flights 
500 
9 
Combinatorics,
Graphs

Hold me 
500 
20 
Algebra

Smallest fraction 
300 
27 
Algebra,
NumberTheory

Mathrix 
600 
5 
Algebra,
NumberTheory,
Matrices

Small triangular numbers 
200 
134 
Algebra,
NumberTheory

Four on a circle 
400 
43 
Geometry,
Circles

Area of triangle 
200 
203 
Geometry,
Squares,
Areas

Powered Numbers 
300 
51 
Algebra,
NumberTheory

Also palindrome 
400 
46 
Digits

Base4 
300 
33 
NumberTheory

Half of Octahedron 
400 
123 
Combinatorics,
Graphs

Rational Polynomial 
400 
25 
Algebra,
Polynomials

Weird games 
500 
20 
Combinatorics

Divisible sets 
300 
6 
Combinatorics

Random numbers 
400 
17 
Algebra,
Combinatorics

Point O 
400 
98 
Geometry

Random answer 
100 
465 
Random

These Triangles 
300 
21 
Geometry,
Combinatorics

0,1,2 polynomial 
400 
20 
Combinatorics,
Algebra

Irreducible Fractions 
200 
84 
NumberTheory

Unfair Game 
400 
31 
Combinatorics

Small triangle 
600 
15 
Geometry,
Areas

Polynomial Probability 
600 
27 

Interesting functions 
600 
12 
NumberTheory

Smallest degree 
400 
10 
Algebra,
Polynomials

Fill the square 
400 
16 
Combinatorics,
Algebra

Number Coloring 
400 
22 
Combinatorics

Sum probability 
300 
82 
Combinatorics,
Algebra,
Probablilities

Solutions on the interval 
300 
58 
Algebra,
Equations

!Fancy cubic 
300 
67 
Algebra,
NumberTheory

Temirlan's cake 
100 
748 
Algebra,
Arithmetics

Lin's Numbers 
400 
31 
NumberTheory,
Algebra

Just Easy Sum 
100 
150 
Algebra

Not fibbo 
300 
55 
Algebra,
Sequences

Sum of digits 2020 
200 
152 
NumberTheory,
Digits

Weird equation 
200 
195 
Algebra,
Polynomials

Binary Sum 
500 
26 
NumberTheory,
Algebra

6sums 
100 
120 
Algebra

Revolution 
300 
22 
Combinatorics

Concatenate 
500 
15 
NumberTheory

Cube Cube Square 
300 
28 
Algebra,
NumberTheory

MathForces Store 
500 
32 
Combinatorics

Math lesson 
400 
40 
NumberTheory,
Combinatorics

Hexagonial 
300 
14 
Geometry,
Hexagons

ADAD 
400 
37 
Geometry,
Circles

Function 
300 
196 
Algebra,
FunctionalEquations

Parking 
300 
188 
Combinatorics

Five Primes 
100 
141 
NumberTheory

Soccer Game 
500 
11 
Combinatorics

Factorial Factor 
200 
63 
NumberTheory,
Combinatorics

Reverse Product 
400 
36 
Combinatorics,
NumberTheory

Odd polynomial 
400 
103 
Algebra,
Polynomials

Lucky numbers 
100 
153 
Digits,
Algebra

Sequence 
300 
46 
NumberTheory

Not constant 
300 
27 
Algebra,
NumberTheory

Cyclic Areas 
300 
28 
Geometry,
Areas

Sharp inequality 
500 
10 
Algebra,
Inequalities

Sharingan 
500 
11 
Geometry

5 instead of 1 
200 
182 

Triangle and Square 
200 
65 
Geometry

Independence 
300 
10 
Combinatorics,
Probabilities

Quadratic 
300 
49 
Algebra,
NumberTheory

Rooks 
600 
16 
Combinatorics

Smallest number 
600 
244 
Algebra

Maximum of Minimum 
500 
27 
Algebra,
Inequalities

Obtuser 
400 
19 
Combinatorics,
Geometry

New FE 
300 
50 
FunctionalEquations

Minimizing Fibb 
400 
121 
Algebra,
Sequences

Cuboid 
300 
27 
NumberTheory

Inverse Sum in Triangle 
500 
10 
Geometry

Pentagon 
500 
17 
Geometry,
Combinatorics,
Pentagons

Poly 
600 
10 
Algebra

Half Integers 
500 
2 
Combinatorics,
Geometry

Unordered triplet 
300 
51 
Algebra,
NumberTheory

Nice Integer 
400 
5 
NumberTheory,
Algebra,
Polynomials

!Fancy FE 
500 
9 
Algebra,
Polynomials

Chords 
300 
12 
Geometry,
Circles

Infinite game 
500 
41 
Combinatorics,
Games

Flip 
200 
64 
Algebra,
NumberTheory,
Digits

Friends Playing 
600 
18 
Combinatorics

Permutational Polynomial 
500 
32 
Algebra

!Fancy sequence 
600 
8 
Combinatorics,
NumberTheory

Daniyar's Friends 
300 
28 

Novirus 
300 
81 
Combinatorics,
Graphs

Lin does shopping 
200 
29 
Algebra,
NumberTheory

Too much 
600 
27 
Algebra,
Equations

Discriminant 
400 
34 
Algebra,
Polynomials

Monochromatics 
400 
6 
Combinatorics,
Graphs

Lin's Octagon 
300 
45 
Combinatorics

Almost fixed 
400 
13 
Combinatorics,
Algebra

Lin Jumper 
500 
15 
Combinatorics

Rotating Hexagon 
600 
3 
Geometry,
Combinatorics

5th power equation 
500 
63 
Algebra,
Equations

Administrative function 
900 
9 

Nice polynomial 
700 
7 
Algebra

Product of areas 
300 
42 
Geometry

Quadratic Sets 
400 
8 
Combinatorics,
Sets,
Algebra

6 Apart 
500 
88 
Geometry,
3D

TanSin 
500 
39 
Geometry,
Trigonometry

Circled 
700 
13 
Geometry,
Combinatorics

Where is my husband 
500 
23 
Combinatorics,
TrueFalse

Equiangular Hexagon 
400 
11 

Magic Ruler 
500 
7 
Geometry,
Combinatorics

Interesting permutations 
600 
6 
NumberTheory
