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 |