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  2. Elementary arithmetic - Wikipedia

    en.wikipedia.org/wiki/Elementary_arithmetic

    A subtraction problem such as is solved by borrowing a 10 from the tens place to add to the ones place in order to facilitate the subtraction. Subtracting 9 from 6 involves borrowing a 10 from the tens place, making the problem into 70 + 16 − 39 {\displaystyle 70+16-39} .

  3. Subtraction game - Wikipedia

    en.wikipedia.org/wiki/Subtraction_game

    Subtraction games are generally impartial games, meaning that the set of moves available in a given position does not depend on the player whose turn it is to move.For such a game, the states can be divided up into -positions (positions in which the previous player, who just moved, is winning) and -positions (positions in which the next player to move is winning), and an optimal game playing ...

  4. Study skills - Wikipedia

    en.wikipedia.org/wiki/Study_skills

    Invented in the 1980s, the Pomodoro Technique segments blocks of time into 30-minute sections. Each 30-minute section (called a Pomodoro) is composed of a 25-minute study or work period and a 5-minute rest period. And it is recommended that every 4 Pomodoro's, should be followed with a 15-30-minute break.

  5. Subtraction - Wikipedia

    en.wikipedia.org/wiki/Subtraction

    Subtraction is an operation that represents removal of objects from a collection. [1] For example, in the adjacent picture, there are 52 peaches—meaning 5 peaches with 2 taken away, resulting in a total of 3 peaches. Therefore, the difference of 5 and 2 is 3; that is, 52 = 3.

  6. Trump says JPMorgan's Dimon won't be invited to join his ...

    www.aol.com/news/trump-says-jpmorgans-dimon-wont...

    By Kanishka Singh. WASHINGTON (Reuters) -JPMorgan Chase CEO Jamie Dimon will not be invited to be a part of Donald Trump's administration, the U.S. president-elect said on social media on Thursday.

  7. 5 cancer types where screenings save the most lives - AOL

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    Over a 45-years span — between 1975 and 2020 — improvements in cancer screenings and prevention strategies have reduced deaths from five common cancers more than any advances in treatments ...