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  2. Irreducible fraction - Wikipedia

    en.wikipedia.org/wiki/Irreducible_fraction

    In the second step, they were divided by 3. The final result, ⁠ 4 / 3 ⁠, is an irreducible fraction because 4 and 3 have no common factors other than 1. The original fraction could have also been reduced in a single step by using the greatest common divisor of 90 and 120, which is 30. As 120 ÷ 30 = 4, and 90 ÷ 30 = 3, one gets

  3. Integer partition - Wikipedia

    en.wikipedia.org/wiki/Integer_partition

    8; 7 + 1; 6 + 2; 5 + 3; 5 + 2 + 1; 4 + 3 + 1; This is a general property. For each positive number, the number of partitions with odd parts equals the number of partitions with distinct parts, denoted by q(n). [8] [9] This result was proved by Leonhard Euler in 1748 [10] and later was generalized as Glaisher's theorem.

  4. Table of prime factors - Wikipedia

    en.wikipedia.org/wiki/Table_of_prime_factors

    A square has even multiplicity for all prime factors (it is of the form a 2 for some a). The first: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144 (sequence A000290 in the OEIS ). A cube has all multiplicities divisible by 3 (it is of the form a 3 for some a ).

  5. Napier's bones - Wikipedia

    en.wikipedia.org/wiki/Napier's_bones

    Napier's bones for 4, 2, and 5 are placed into the board, in sequence. These bones show the larger figure which will be multiplied. These bones show the larger figure which will be multiplied. The numbers lower in each column, or bone, are the digits found by ordinary multiplication tables for the corresponding integer, positioned above and ...

  6. A man and his mailbox: How a dispute over rural mail delivery ...

    www.aol.com/news/man-mailbox-dispute-over-rural...

    Rural delivery always has been a challenge for the Postal Service, which has developed guidelines over the years for how to balance its customers’ needs with the need to operate safely and ...

  7. Ring (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Ring_(mathematics)

    For any element x in a ring R, one has x0 = 0 = 0x (zero is an absorbing element with respect to multiplication) and (–1)x = –x. If 0 = 1 in a ring R (or more generally, 0 is a unit element), then R has only one element, and is called the zero ring. If a ring R contains the zero ring as a subring, then R itself is the zero ring. [6]

  8. Can the Miami Dolphins save Florida from the losingest ...

    www.aol.com/sports/miami-dolphins-save-florida...

    Note: According to CBS, this is the first time in the FBS era, which dates back to 1978, that a single state has gone 0-6 in a weekend. FCS: • Bethune Cookman lost to Southern, 25-23

  9. The Best Things Our Editors Ate This Year - AOL

    www.aol.com/best-things-editors-ate-202209192.html

    "Every table has homemade salsa on it, and I got a tamarind drink that was a great combo of sweet and sour that perfectly offset the warm and cozy stew. It was a perfect meal for a longer pit stop.