Gineq |
Subsets Collection |
Product of differences |

5th power equation |
Point O |
Cool-divisble numbers |

Lin's Octagon |
x[x] |
Odd divisors |

Flip |
D Flags |
Sum probability |

Simple expression |
Fancy meal |
U turn |

Viet said |
Expanding brackets |
First geometry |

Base4 |
Digital Cubes |
Factorial Factor |

Seven eleven |
Weird equation |
Function |

Many digits |
Sequenta |
Minimizing Fibb |

Not fibbo |
Just sequence |
C Sum |

Parking |
Just Easy Sum |
6-sums |

Sum of Digits |
Irreducible Fractions |
Squared fours |

Sum of four |
Triangle and Square |
Money date |

Temirlan's cake |
Sum of digits 2020 |
5 instead of 1 |

Area of triangle |
Square multiples of 24 |
2+1 |

Equilateral Triangles |
One three-digit number |
2020 digit |

Relatively prime with 2020 |
Small triangular numbers |
Lucky numbers |

Five Primes |
Bools and cows |
2020 Palindromes |

Numbers ratio |
Cubical squares |
Bingo! |

Divisibility by 4 |
Tommorow's day |
Random answer |

Test |