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  2. Nine dots puzzle - Wikipedia

    en.wikipedia.org/wiki/Nine_dots_puzzle

    The "nine dots" puzzle. The puzzle asks to link all nine dots using four straight lines or fewer, without lifting the pen. The nine dots puzzle is a mathematical puzzle whose task is to connect nine squarely arranged points with a pen by four (or fewer) straight lines without lifting the pen or retracing any lines.

  3. Casting out nines - Wikipedia

    en.wikipedia.org/wiki/Casting_out_nines

    Since we are adding 1 to the tens digit and subtracting one from the units digit, the sum of the digits should remain the same. For example, 9 + 2 = 11 with 1 + 1 = 2. When adding 9 to itself, we would thus expect the sum of the digits to be 9 as follows: 9 + 9 = 18, (1 + 8 = 9) and 9 + 9 + 9 = 27, (2 + 7 = 9).

  4. Sudoku solving algorithms - Wikipedia

    en.wikipedia.org/wiki/Sudoku_solving_algorithms

    A Sudoku starts with some cells containing numbers (clues), and the goal is to solve the remaining cells. Proper Sudokus have one solution. [1] Players and investigators use a wide range of computer algorithms to solve Sudokus, study their properties, and make new puzzles, including Sudokus with interesting symmetries and other properties.

  5. Connect the dots - Wikipedia

    en.wikipedia.org/wiki/Connect_the_dots

    The phrase "connect the dots" can be used as a metaphor to illustrate an ability (or inability) to associate one idea with another—to find the "big picture", or salient feature, in a mass of data; [5] it can mean using extrapolation to solve a mystery from clues, or else come to a conclusion from various facts.

  6. Equation solving - Wikipedia

    en.wikipedia.org/wiki/Equation_solving

    In the simple case of a function of one variable, say, h(x), we can solve an equation of the form h(x) = c for some constant c by considering what is known as the inverse function of h. Given a function h : A → B, the inverse function, denoted h −1 and defined as h −1 : B → A, is a function such that

  7. Today’s NYT ‘Strands’ Hints, Spangram and Answers for Monday ...

    www.aol.com/today-nyt-strands-hints-spangram...

    According to the New York Times, here's exactly how to play Strands: Find theme words to fill the board. Theme words stay highlighted in blue when found.

  8. NYT Connections Sports Edition Today: Hints and Answers for ...

    www.aol.com/nyt-connections-sports-edition-today...

    Hints for Today's Connections Sports Edition Categories on February 9, 2025 Here are some hints about the four categories to help you figure out the word groupings. Yellow: Different ways a team ...

  9. Ohio restaurant owner puts focus on healthy, whole foods and ...

    www.aol.com/ohio-restaurant-owner-puts-focus...

    Charlie Carroll, owner of Table33 in Dayton, Ohio, and author of "Eat Like an Entrepreneur," says his restaurant prioritizes high-quality ingredients, serving meals with local, whole foods.

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