Cubical squares 
100 
429 
Algebra,
Exponents

Half of Octahedron 
400 
112 
Combinatorics,
Graphs

Not your business 
200 
156 
Geometry,
Tangents

Tommorow's day 
100 
512 
Algebra,
Digits

Temirlan's cake 
100 
578 
Algebra,
Arithmetics

New FE 
300 
35 
FunctionalEquations

Test 
100 
527 

Ohmatrix 
300 
105 
Algebra,
LinearAlgebra,
Matrices

2020 digit 
200 
354 
Algebra,
Digits

Numbers ratio 
100 
475 
Algebra,
Arithmetics

Triangle in Hexagon 
200 
27 
Geometry,
Probabilities

Just sequence 
300 
120 
Algebra,
Sequences

Viet said 
500 
73 
NumberTheory

Point O 
400 
88 
Geometry

NRD pair 
200 
76 
NumberTheory,
PrimeNumbers

Product of differences 
300 
69 
Algebra,
Inequalities

Special square 
500 
38 
NumberTheory,
Squares

Sum of four 
100 
268 
Combinatorics,
Digits

Triangle in hyperbola 
400 
48 
Algebra,
Geometry,
Coordinates

Fractions 
300 
28 
Algebra

Positive product of sums 
300 
50 
Algebra,
Equations,
NumberTheory

C Sum 
300 
78 
Algebra,
Combinatorics,
Formulas

Random answer 
100 
357 
Random

Odd divisors 
300 
66 
NumberTheory,
Divisors

Convex triangle 
400 
30 
Geometry,
Combinatorics

Powers of 6 
500 
33 
Numbertheory,
Equations

2020 Palindromes 
100 
256 
Combinatorics,
Palindromes

Divisibility by 4 
200 
152 
NumberTheory,
Digits

Infinite game 
500 
37 
Combinatorics,
Games

Relatively prime with 2020 
200 
172 
NumberTheory,
PrimeNumbers

Squared fours 
200 
132 
NumberTheory,
Algebra

Tricky sequence 
500 
26 
NumberTheory,
Algebra,
Sequences

Polynomial without 4 
400 
36 
Algebra,
Polynomials

2+1 
200 
196 
Algebra,
Arithmetics

Prime Sets 
500 
3 
Combinatorics,
NumberTheory

5th power equation 
500 
58 
Algebra,
Equations

Friendly rooks 
200 
113 
Combinatorics,
Chess

Similar polynomials 
500 
42 
Algebra,
Polynomials

Sum of digits 2020 
200 
114 
NumberTheory,
Digits

All such 
400 
46 
NumberTheory,
Equations

335577 
500 
26 
NumberTheory,
Powers

Functional Eq 
700 
12 
Algebra,
FunctionalEquations

Tricky polynomial 
600 
36 
Algebra,
Polynomials,
ComplexNumbers

Area of triangle 
200 
150 
Geometry,
Squares,
Areas

Cuboid 
300 
20 
NumberTheory

x[x] 
400 
39 
NumberTheory,
FloorFunction

First geometry 
400 
48 
Geometry,
Circles,
Tangents

Expanding brackets 
300 
123 
Algebra,
Polynomials

VNT 
500 
92 
NumberTheory,
LTE

Many digits 
400 
82 
Algebra

Minimizing Fibb 
400 
98 
Algebra,
Sequences

One threedigit number 
200 
209 
Algebra,
Inequalities

Fancy meal 
300 
66 

Lin the Racoon's Debut 
600 
12 
Combinatorics,
Raccoon

Progressive sequence 
500 
16 
Algebra,
NumberTheory,
Sequences

Function 
300 
167 
Algebra,
FunctionalEquations

Angle chasing 
300 
114 
Geometry,
AngleChasing

Solutions on the interval 
300 
49 
Algebra,
Equations

Again these rooks 
600 
50 
Combinatorics,
Boards

Tricky 
400 
56 
NumberTheory

Rational Irrational 
300 
17 
Algebra,
NumberTheory

What a function 
400 
32 
Algebra,
Functions

Circled 
700 
9 
Geometry,
Combinatorics

Simple expression 
300 
68 
Algebra,
Combinatorics

Permutational Polynomial 
500 
28 
Algebra

Lin Jumper 
500 
9 
Combinatorics

Almost squared numbers 
300 
36 
NumberTheory

Odd factors 
500 
24 

TanSin 
500 
35 
Geometry,
Trigonometry

Bingo! 
200 
101 
Combinatorics,
Probabilities

Money date 
100 
242 
Combinatorics,
Probabilities

5 instead of 1 
200 
154 

Sum probability 
300 
62 
Combinatorics,
Algebra,
Probablilities

Prime powers 
400 
33 

Exactly two roots 
400 
37 
NumberTheory,
Equations

Sqaure in square 
600 
31 
Geometry,
Squares

Square multiples of 24 
200 
190 

Pentagon 
500 
14 
Geometry,
Combinatorics,
Pentagons

Cooldivisble numbers 
300 
55 
NumberTheory,
Digits

Zero sequence 
200 
53 
Algebra,
Sequences

Orthocenter 
600 
11 
Geometry,
Circles,
Tangents

Nice polynomial 
700 
5 
Algebra

MathForces Store 
500 
15 
Combinatorics

Arithmetic derivative 
500 
35 
NumberTheory,
Functions

6 Apart 
500 
79 
Geometry,
3D

Novirus 
300 
72 
Combinatorics,
Graphs

Too much 
600 
21 
Algebra,
Equations

U turn 
200 
128 
Algebra,
NumberTheory,
Digits

MTMTK System 
400 
15 
Algebra,
Equations

Friendly Team 
400 
7 
Combinatorics

Sequenta 
300 
52 
Algebra,
Sequences

Unfair Game 
400 
23 
Combinatorics

Switchers 
400 
38 
Combinatorics,
Sets

Math lesson 
400 
35 
NumberTheory,
Combinatorics

!Fancy grid 
700 
7 
Combinatorics,
Graphs

Equilateral Triangles 
200 
181 
Combinatorics,
Grids

Simple sum 
300 
20 
Algebra,
Sums

Gineq 
300 
34 
Geometry

Rotating Hexagon 
600 
1 
Geometry,
Combinatorics

More dominos 
400 
24 
Combinatorics

Also palindrome 
400 
36 
Digits

Small triangular numbers 
200 
106 
Algebra,
NumberTheory

Sharp inequality 
500 
7 
Algebra,
Inequalities

!Fancy polygon 
400 
36 
Geometry,
3D

Bools and cows 
200 
128 
Random,
Combinatorics

Powered Numbers (Duplicate) 
300 
44 
Algebra,
NumberTheory

Interesting functions 
600 
9 
NumberTheory

Rational Polynomial 
400 
19 
Algebra,
Polynomials

Digital Cubes 
100 
34 
Algebra,
Digits

Obtuser 
400 
15 
Combinatorics,
Geometry

Lucky numbers 
100 
78 
Digits,
Algebra

ADAD (Duplicate) 
400 
35 
Geometry,
Circles

Equiangular Hexagon 
400 
8 

Lin's Game 
400 
5 
Combinatorics,
Games

!Fancy cubic 
300 
58 
Algebra,
NumberTheory

Weird equation 
200 
165 
Algebra,
Polynomials

Flip 
200 
45 
Algebra,
NumberTheory,
Digits

Odd polynomial 
400 
95 
Algebra,
Polynomials

Subsets Collection 
600 
21 
Combinatorics,
Sets

ADAD 
400 
33 
Geometry,
Circles

!Fancy FE 
500 
7 
Algebra,
Polynomials

6sums 
100 
50 
Algebra

Sum of Digits 
200 
36 
NumberTheory,
Digits

Four on a circle 
400 
40 
Geometry,
Circles

Powered Numbers 
300 
44 
Algebra,
NumberTheory

Maximum of Minimum 
500 
20 
Algebra,
Inequalities

Base4 
300 
20 
NumberTheory

Lin's Octagon 
300 
31 
Combinatorics

Polynomial Probability 
600 
20 

Daniyar's Friends 
300 
20 

0,1,2 polynomial 
400 
13 
Combinatorics,
Algebra

Concetric 
200 
34 
Geometry

Just Easy Sum 
100 
54 
Algebra

Fancy polynomial 
800 
17 
Algebra,
Polynomials

!Fancy sequence 
600 
6 
Combinatorics,
NumberTheory

Discriminant 
400 
22 
Algebra,
Polynomials

Sequence 
300 
33 
NumberTheory

Almost fixed 
400 
7 
Combinatorics,
Algebra

Not fibbo 
300 
36 
Algebra,
Sequences

Binary Sum 
500 
18 
NumberTheory,
Algebra

Number Coloring 
400 
17 
Combinatorics

Parking 
300 
165 
Combinatorics

Big set 
400 
12 
Combinatorics

Fancy integral 
700 
29 
Algebra,
sums,
integrals

Total inversion 
500 
28 
Combinatorics,
Geometry

Factorial Factor 
200 
34 
NumberTheory,
Combinatorics

Where is my husband 
500 
22 
Combinatorics,
TrueFalse

Checkboard 
600 
1 
Combinatorics

Cyclic Q 
600 
8 
Geometry

Reverse Product 
400 
26 
Combinatorics,
NumberTheory

Fancy limit 
400 
30 
Algebra,
Sequences

Administrative function 
900 
7 

Weird games 
500 
18 
Combinatorics

Rooks 
600 
8 
Combinatorics

Fill the square 
400 
13 
Combinatorics,
Algebra

Fancy point 
500 
11 
Geometry

Small triangle 
600 
11 
Geometry,
Areas

Five Primes 
100 
37 
NumberTheory

Diameter 
400 
44 
Geometry,
Perpendiculars

Sharingan 
500 
7 
Geometry

Regular Polygons 
200 
34 
Geometry,
Combinatorics

Lin does shopping 
200 
11 
Algebra,
NumberTheory

D Flags 
200 
63 
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