Test 
100 
946 

Inverse Sum in Triangle 
500 
11 
Geometry

2020 digit 
200 
544 
Algebra,
Digits

Ohmatrix 
300 
153 
Algebra,
LinearAlgebra,
Matrices

Regular Polygons 
200 
53 
Geometry,
Combinatorics

Product of differences 
300 
129 
Algebra,
Inequalities

!Fancy sequence 
600 
8 
Combinatorics,
NumberTheory

Special square 
500 
56 
NumberTheory,
Squares

Viet said 
500 
111 
NumberTheory

Sum of four 
100 
458 
Combinatorics,
Digits

Sharingan 
500 
11 
Geometry

Diameter 
400 
54 
Geometry,
Perpendiculars

Odd divisors 
300 
94 
NumberTheory,
Divisors

Positive product of sums 
300 
77 
Algebra,
Equations,
NumberTheory

Relatively prime with 2020 
200 
251 
NumberTheory,
PrimeNumbers

Lin the Racoon's Debut 
600 
18 
Combinatorics,
Raccoon

C Sum 
300 
127 
Algebra,
Combinatorics,
Formulas

Convex triangle 
400 
39 
Geometry,
Combinatorics

Powers of 6 
500 
41 
Numbertheory,
Equations

Fancy point 
500 
11 
Geometry

Similar polynomials 
500 
53 
Algebra,
Polynomials

All such 
400 
69 
NumberTheory,
Equations

Divisibility by 4 
200 
241 
NumberTheory,
Digits

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

Lin does shopping 
200 
30 
Algebra,
NumberTheory

335577 
500 
36 
NumberTheory,
Powers

Many digits 
400 
112 
Algebra

Also palindrome 
400 
46 
Digits

First geometry 
400 
63 
Geometry,
Circles,
Tangents

Unfair Game 
400 
31 
Combinatorics

x[x] 
400 
62 
NumberTheory,
FloorFunction

Money date 
100 
347 
Combinatorics,
Probabilities

Friendly Team 
400 
12 
Combinatorics

Prime Sets 
500 
8 
Combinatorics,
NumberTheory

2+1 
200 
270 
Algebra,
Arithmetics

2020 Palindromes 
100 
408 
Combinatorics,
Palindromes

Progressive sequence 
500 
18 
Algebra,
NumberTheory,
Sequences

Naruto cubed 
300 
0 

Binary polindromes 
300 
8 

Love Triangle 
400 
6 
Combinatorics

Right Square 
300 
0 

What a function 
400 
38 
Algebra,
Functions

Simple sum 
300 
31 
Algebra,
Sums

Tricky polynomial 
600 
48 
Algebra,
Polynomials,
ComplexNumbers

Number Coloring 
400 
23 
Combinatorics

Lin's Numbers 
400 
33 
NumberTheory,
Algebra

Odd factors 
500 
27 

Rooks 
600 
16 
Combinatorics

Bingo! 
200 
164 
Combinatorics,
Probabilities

Almost squared numbers 
300 
49 
NumberTheory

Nice polynomial 
700 
7 
Algebra

Just sequence 
300 
156 
Algebra,
Sequences

Nice Integer 
400 
5 
NumberTheory,
Algebra,
Polynomials

P5 
300 
0 

Good Order 
600 
3 
Algebra,
NumberTheory

Half of Octahedron 
400 
123 
Combinatorics,
Graphs

Exactly two roots 
400 
51 
NumberTheory,
Equations

Fancy limit 
400 
31 
Algebra,
Sequences

Prime powers 
400 
38 

Friendly rooks 
200 
172 
Combinatorics,
Chess

Teleporting button 
300 
19 
Combinatorics,
Probabilities

Sqaure in square 
600 
39 
Geometry,
Squares

Lin Jumper 
500 
15 
Combinatorics

Orthocenter 
600 
12 
Geometry,
Circles,
Tangents

Circled 
700 
13 
Geometry,
Combinatorics

Zero sequence 
200 
77 
Algebra,
Sequences

Probability computer 
300 
40 
Combinatorics

Arithmetic derivative 
500 
43 
NumberTheory,
Functions

Novirus 
300 
83 
Combinatorics,
Graphs

NRD pair 
200 
99 
NumberTheory,
PrimeNumbers

Tricky 
400 
61 
NumberTheory

Squared fours 
200 
212 
NumberTheory,
Algebra

Interesting functions 
600 
12 
NumberTheory

Switchers 
400 
44 
Combinatorics,
Sets

Concetric 
200 
70 
Geometry

One threedigit number 
200 
267 
Algebra,
Inequalities

MTMTK System 
400 
21 
Algebra,
Equations

Infinite game 
500 
42 
Combinatorics,
Games

Checkboard 
600 
3 
Combinatorics

!Fancy grid 
700 
9 
Combinatorics,
Graphs

Angle chasing 
300 
136 
Geometry,
AngleChasing

VNT 
500 
99 
NumberTheory,
LTE

More dominos 
400 
31 
Combinatorics

Daniyar's Friends 
300 
28 

Functional Eq 
700 
16 
Algebra,
FunctionalEquations

Permutational Polynomial 
500 
33 
Algebra

Where is my husband 
500 
23 
Combinatorics,
TrueFalse

Magic Ruler 
500 
7 
Geometry,
Combinatorics

Equilateral Triangles 
200 
222 
Combinatorics,
Grids

Tommorow's day 
100 
683 
Algebra,
Digits

Concatenate 
500 
15 
NumberTheory

Powered Numbers (Duplicate) 
300 
52 
Algebra,
NumberTheory

Cubical squares 
100 
658 
Algebra,
Exponents

Fractions 
300 
121 
Algebra

TanSin 
500 
39 
Geometry,
Trigonometry

Bools and cows 
200 
170 
Random,
Combinatorics

Cyclic Q 
600 
16 
Geometry

Max Area 
300 
39 
Geometry

Triangle in Hexagon 
200 
58 
Geometry,
Probabilities

ADAD (Duplicate) 
400 
40 
Geometry,
Circles

Rotating Hexagon 
600 
3 
Geometry,
Combinatorics

Sequenta 
300 
70 
Algebra,
Sequences

5th power equation 
500 
63 
Algebra,
Equations

Numbers ratio 
100 
629 
Algebra,
Arithmetics

Digital Cubes 
100 
105 
Algebra,
Digits

Four equal angles 
200 
79 
Geometry

U turn 
200 
151 
Algebra,
NumberTheory,
Digits

Big set 
400 
15 
Combinatorics

Expanding brackets 
300 
150 
Algebra,
Polynomials

Semiperimeter 
200 
42 
Geometry

Subsets Collection 
600 
27 
Combinatorics,
Sets

Air MF 
500 
6 
Combinatorics

Simple expression 
300 
85 
Algebra,
Combinatorics

New Cake 
400 
29 
Geometry

Sum of Squares 
500 
24 
Geometry

Rational Irrational 
300 
34 
Algebra,
NumberTheory

Excirlce 
400 
3 
Geometry

Simple Altai 
400 
21 
NumberTheory

Area of triangle 
200 
211 
Geometry,
Squares,
Areas

Half Integers 
500 
2 
Combinatorics,
Geometry

Four on a circle 
400 
43 
Geometry,
Circles

Rational Polynomial 
400 
25 
Algebra,
Polynomials

Small triangular numbers 
200 
138 
Algebra,
NumberTheory

Difference of squares 
200 
56 
Combinatorics,
NumberTheory

Sharp inequality 
500 
10 
Algebra,
Inequalities

Base4 
300 
33 
NumberTheory

Powered Numbers 
300 
51 
Algebra,
NumberTheory

Irreducible Fractions 
200 
89 
NumberTheory

Random numbers 
400 
18 
Algebra,
Combinatorics

Random answer 
100 
486 
Random

Gineq 
300 
54 
Geometry

Integer sequence 
400 
13 
Algebra,
Sequences

Friends Playing 
600 
18 
Combinatorics

Zeros and Ones 
300 
26 
Combinatorics

Square multiples of 24 
200 
233 

Polynomial Probability 
600 
27 

Divisible sets 
300 
6 
Combinatorics

Smallest fraction 
300 
28 
Algebra,
NumberTheory

0,1,2 polynomial 
400 
21 
Combinatorics,
Algebra

Fill the square 
400 
16 
Combinatorics,
Algebra

Uneven numbers 
100 
158 
NumberTheory

Ordered papers 
300 
34 
Combinatorics

Sum probability 
300 
84 
Combinatorics,
Algebra,
Probablilities

Point O 
400 
98 
Geometry

D Flags 
200 
74 
WebSearch

Just Easy Sum 
100 
163 
Algebra

Solutions on the interval 
300 
60 
Algebra,
Equations

Cooldivisble numbers 
300 
69 
NumberTheory,
Digits

Seven eleven 
200 
64 
Algebra

Sum of digits 2020 
200 
155 
NumberTheory,
Digits

Sum of Digits 
200 
74 
NumberTheory,
Digits

6sums 
100 
132 
Algebra

Not fibbo 
300 
57 
Algebra,
Sequences

!Fancy cubic 
300 
68 
Algebra,
NumberTheory

Hold me 
500 
21 
Algebra

Binary Sum 
500 
27 
NumberTheory,
Algebra

Temirlan's cake 
100 
778 
Algebra,
Arithmetics

Math lesson 
400 
42 
NumberTheory,
Combinatorics

Fancy meal 
300 
76 

Smallest degree 
400 
11 
Algebra,
Polynomials

Lucky numbers 
100 
161 
Digits,
Algebra

Soccer Game 
500 
11 
Combinatorics

Odd polynomial 
400 
103 
Algebra,
Polynomials

Cube Cube Square 
300 
28 
Algebra,
NumberTheory

Five Primes 
100 
158 
NumberTheory

Almost fixed 
400 
14 
Combinatorics,
Algebra

ADAD 
400 
37 
Geometry,
Circles

Mathrix 
600 
5 
Algebra,
NumberTheory,
Matrices

Again these rooks 
600 
58 
Combinatorics,
Boards

Cyclic Areas 
300 
28 
Geometry,
Areas

School Clubs 
500 
3 
Combinatorics

Factorial Factor 
200 
65 
NumberTheory,
Combinatorics

Triangle and Square 
200 
68 
Geometry

Quadratic 
300 
51 
Algebra,
NumberTheory

Fancy integral 
700 
32 
Algebra,
Sums,
Integrals

Fancy polynomial 
800 
20 
Algebra,
Polynomials

Quadratic Sets 
400 
9 
Combinatorics,
Sets,
Algebra

Maximum of Minimum 
500 
27 
Algebra,
Inequalities

New FE 
300 
52 
FunctionalEquations

Not constant 
300 
28 
Algebra,
NumberTheory

Revolution 
300 
23 
Combinatorics

5 instead of 1 
200 
185 

Lin's Octagon 
300 
45 
Combinatorics

Pentagon 
500 
17 
Geometry,
Combinatorics,
Pentagons

Cemicirlces 
300 
21 
Geometry,
Areas

Function 
300 
203 
Algebra,
FunctionalEquations

Cuboid 
300 
28 
NumberTheory

Sequence 
300 
46 
NumberTheory

Poly 
600 
10 
Algebra

Flights 
500 
9 
Combinatorics,
Graphs

!Fancy FE 
500 
9 
Algebra,
Polynomials

These Triangles 
300 
22 
Geometry,
Combinatorics

Hexagonial 
300 
14 
Geometry,
Hexagons

Flip 
200 
65 
Algebra,
NumberTheory,
Digits

Minimizing Fibb 
400 
121 
Algebra,
Sequences

Pencils 
400 
7 
Combinatorics

Weird equation 
200 
210 
Algebra,
Polynomials

Smallest number 
600 
244 
Algebra

Chords 
300 
12 
Geometry,
Circles

Unordered triplet 
300 
54 
Algebra,
NumberTheory

Negative roots 
300 
38 
Algebra

Not your business 
200 
192 
Geometry,
Tangents

Independence 
300 
10 
Combinatorics,
Probabilities

Small triangle 
600 
15 
Geometry,
Areas

Interesting permutations 
600 
6 
NumberTheory

Too much 
600 
27 
Algebra,
Equations

Reverse Product 
400 
36 
Combinatorics,
NumberTheory

Parking 
300 
191 
Combinatorics

Weird games 
500 
20 
Combinatorics

Discriminant 
400 
35 
Algebra,
Polynomials

Monochromatics 
400 
6 
Combinatorics,
Graphs

Total inversion 
500 
31 
Combinatorics,
Geometry

Product of areas 
300 
42 
Geometry

6 Apart 
500 
89 
Geometry,
3D

Lin's Game 
400 
9 
Combinatorics,
Games

Obtuser 
400 
19 
Combinatorics,
Geometry

MathForces Store 
500 
32 
Combinatorics

Administrative function 
900 
9 

Equiangular Hexagon 
400 
11 

!Fancy polygon 
400 
38 
Geometry,
3D
