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  2. Addition - Wikipedia

    en.wikipedia.org/wiki/Addition

    2 + (1 + 3) = (2 + 1) + 3 with segmented rods. Addition is associative, which means that when three or more numbers are added together, the order of operations does not change the result. As an example, should the expression a + b + c be defined to mean (a + b) + c or a + (b + c)? Given that addition is associative, the choice of definition is ...

  3. Three cups problem - Wikipedia

    en.wikipedia.org/wiki/Three_cups_problem

    Changing 1 right cup and 1 wrong cup, the situation remains the same. Changing 2 right cups results in a situation with 3 wrong cups, after which the next move restores the original status of 1 wrong cup. Thus, any number of moves results in a situation either with 3 wrongs or with 1 wrong, and never with 0 wrongs.

  4. Equals sign - Wikipedia

    en.wikipedia.org/wiki/Equals_sign

    1 + 2 = 3 + 3 = 6 + 4 = 10 + 5 = 15. Structurally, this is shorthand for ([(1 + 2 = 3) + 3 = 6] + 4 = 10) + 5 = 15, but the notation is incorrect, because each part of the equality has a different value. If interpreted strictly as it says, it would imply that 3 = 6 = 10 = 15 = 15. A correct version of the argument would be 1 + 2 = 3, 3 + 3 = 6 ...

  5. NYT ‘Connections’ Hints and Answers Today, Friday, December 13

    www.aol.com/nyt-connections-hints-answers-today...

    Plus, I'll reveal the answers further down. Related: The 26 Funniest NYT Connections Game Memes You'll Appreciate if You Do This Daily Word Puzzle Hints About Today's NYT Connections Categories on ...

  6. Mom convicted in Michigan school shooting case asks to be ...

    www.aol.com/mom-convicted-michigan-school...

    Dezsi called the sentence unfair and claimed the case was based on secret deals with two witnesses. "Keeping Mrs. Crumbley in prison sets a bad example and rewards unfair prosecutions," Dezsi said.

  7. Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.

  8. 1 + 2 + 3 + 4 + ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%2B_2_%2B_3_%2B_4_%2B_%E...

    The partial sums of the series 1 + 2 + 3 + 4 + 5 + 6 + ⋯ are 1, 3, 6, 10, 15, etc.The nth partial sum is given by a simple formula: = = (+). This equation was known ...

  9. The 2-Ingredient Bars I Make Every Christmas - AOL

    www.aol.com/lifestyle/2-ingredient-bars-every...

    2/3 cup jam or preserves. Preheat the oven to 350°F. Lightly spray an 8x8 pan with cooking spray or line with parchment paper. Crumble about 2/3 of the cookie dough into the pan and press into an ...