Point O |
Minimizing Fibb |
Half of Octahedron |

Small triangular numbers |
Friendly rooks |
Sum of digits 2020 |

Expanding brackets |
U turn |
Squared fours |

Area of triangle |
Divisibility by 4 |
Function |

Relatively prime with 2020 |
Equilateral Triangles |
Square multiples of 24 |

Weird equation |
Bools and cows |
Just sequence |

Parking |
5 instead of 1 |
2+1 |

One three-digit number |
2020 Palindromes |
Numbers ratio |

Product of differences |
2020 digit |
Friends Playing |

Ordered papers |
Fractions |
Tommorow's day |

Oh-matrix |
Sum of four |
Solutions on the interval |

Bingo! |
Cubical squares |
Random answer |

Test |
Money date |
Temirlan's cake |

Triangle in hyperbola |
Product of areas |
Not your business |