2020 digit 
200 
463 
Algebra,
Digits

Functional Eq 
700 
15 
Algebra,
FunctionalEquations

Ohmatrix 
300 
135 
Algebra,
LinearAlgebra,
Matrices

Product of differences 
300 
105 
Algebra,
Inequalities

Cubical squares 
100 
579 
Algebra,
Exponents

Triangle in hyperbola 
400 
61 
Algebra,
Geometry,
Coordinates

Positive product of sums 
300 
61 
Algebra,
Equations,
NumberTheory

C Sum 
300 
107 
Algebra,
Combinatorics,
Formulas

Fractions 
300 
104 
Algebra

Squared fours 
200 
178 
NumberTheory,
Algebra

Polynomial without 4 
400 
40 
Algebra,
Polynomials

Tricky sequence 
500 
28 
NumberTheory,
Algebra,
Sequences

Almost fixed 
400 
13 
Combinatorics,
Algebra

Similar polynomials 
500 
47 
Algebra,
Polynomials

Many digits 
400 
98 
Algebra

Tricky polynomial 
600 
42 
Algebra,
Polynomials,
ComplexNumbers

Integer sequence 
400 
9 
Algebra,
Sequences

Solutions on the interval 
300 
55 
Algebra,
Equations

Permutational Polynomial 
500 
30 
Algebra

Progressive sequence 
500 
18 
Algebra,
NumberTheory,
Sequences

One threedigit number 
200 
249 
Algebra,
Inequalities

What a function 
400 
37 
Algebra,
Functions

Just sequence 
300 
142 
Algebra,
Sequences

Nice Integer 
400 
5 
NumberTheory,
Algebra,
Polynomials

Nice polynomial 
700 
7 
Algebra

Function 
300 
190 
Algebra,
FunctionalEquations

Minimizing Fibb 
400 
119 
Algebra,
Sequences

Simple expression 
300 
78 
Algebra,
Combinatorics

Zero sequence 
200 
67 
Algebra,
Sequences

Numbers ratio 
100 
570 
Algebra,
Arithmetics

Tommorow's day 
100 
619 
Algebra,
Digits

U turn 
200 
143 
Algebra,
NumberTheory,
Digits

Sequenta 
300 
64 
Algebra,
Sequences

MTMTK System 
400 
19 
Algebra,
Equations

Fancy limit 
400 
31 
Algebra,
Sequences

Simple sum 
300 
26 
Algebra,
Sums

2+1 
200 
234 
Algebra,
Arithmetics

Rational Irrational 
300 
28 
Algebra,
NumberTheory

Digital Cubes 
100 
76 
Algebra,
Digits

Powered Numbers (Duplicate) 
300 
49 
Algebra,
NumberTheory

Lin does shopping 
200 
25 
Algebra,
NumberTheory

Expanding brackets 
300 
144 
Algebra,
Polynomials

5th power equation 
500 
60 
Algebra,
Equations

Small triangular numbers 
200 
130 
Algebra,
NumberTheory

Smallest fraction 
300 
18 
Algebra,
NumberTheory

Mathrix 
600 
3 
Algebra,
NumberTheory,
Matrices

Random numbers 
400 
16 
Algebra,
Combinatorics

Rational Polynomial 
400 
24 
Algebra,
Polynomials

Powered Numbers 
300 
50 
Algebra,
NumberTheory

Lucky numbers 
100 
128 
Digits,
Algebra

Unordered triplet 
300 
36 
Algebra,
NumberTheory

Odd polynomial 
400 
102 
Algebra,
Polynomials

0,1,2 polynomial 
400 
20 
Combinatorics,
Algebra

Temirlan's cake 
100 
702 
Algebra,
Arithmetics

Smallest degree 
400 
8 
Algebra,
Polynomials

Smallest number 
600 
242 
Algebra

!Fancy FE 
500 
9 
Algebra,
Polynomials

Flip 
200 
62 
Algebra,
NumberTheory,
Digits

Fill the square 
400 
16 
Combinatorics,
Algebra

Sum probability 
300 
75 
Combinatorics,
Algebra,
Probablilities

Just Easy Sum 
100 
114 
Algebra

Not fibbo 
300 
52 
Algebra,
Sequences

!Fancy cubic 
300 
64 
Algebra,
NumberTheory

Weird equation 
200 
188 
Algebra,
Polynomials

6sums 
100 
96 
Algebra

Binary Sum 
500 
25 
NumberTheory,
Algebra

Maximum of Minimum 
500 
25 
Algebra,
Inequalities

Cube Cube Square 
300 
26 
Algebra,
NumberTheory

Sharp inequality 
500 
10 
Algebra,
Inequalities

Not constant 
300 
24 
Algebra,
NumberTheory

Negative roots 
300 
28 
Algebra

Good Order 
600 
3 
Algebra,
NumberTheory

Lin's Numbers 
400 
28 
NumberTheory,
Algebra

Quadratic 
300 
44 
Algebra,
NumberTheory

Seven eleven 
200 
51 
Algebra

Hold me 
500 
18 
Algebra

Poly 
600 
9 
Algebra

Fancy integral 
700 
31 
Algebra,
Sums,
Integrals

Quadratic Sets 
400 
7 
Combinatorics,
Sets,
Algebra

Too much 
600 
25 
Algebra,
Equations

Fancy polynomial 
800 
20 
Algebra,
Polynomials

Discriminant 
400 
32 
Algebra,
Polynomials
