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  2. Order of operations - Wikipedia

    en.wikipedia.org/wiki/Order_of_operations

    [20] [21] The acronym PEMDAS, which stands for Parentheses, Exponents, Multiplication/Division, Addition/Subtraction, [22] is common in the United States [23] and France. [24] Sometimes the letters are expanded into words of a mnemonic sentence such as "Please Excuse My Dear Aunt Sally". [ 25 ]

  3. Mathematics education in the United States - Wikipedia

    en.wikipedia.org/wiki/Mathematics_education_in...

    A shortage of qualified mathematics schoolteachers has been a serious problem in the United States for many years. [ 18 ] [ 19 ] In order to rectify this problem, the amount of instructional hours dedicated towards mathematical contents has been increased in undergraduate programs aimed at training elementary teachers. [ 220 ]

  4. Universal algebra - Wikipedia

    en.wikipedia.org/wiki/Universal_algebra

    Universal algebra provides a natural language for the constraint satisfaction problem (CSP). CSP refers to an important class of computational problems where, given a relational algebra A and an existential sentence φ {\displaystyle \varphi } over this algebra, the question is to find out whether φ {\displaystyle \varphi } can be satisfied in A .

  5. PEMDAS - Wikipedia

    en.wikipedia.org/?title=PEMDAS&redirect=no

    From an acronym: This is a redirect from an acronym to a related topic, such as the expansion of the acronym.. Remember that an acronym is a special type of initialism that can be spoken as a word, such as "NATO" or "radar" or "ANOVA".

  6. Multiplication - Wikipedia

    en.wikipedia.org/wiki/Multiplication

    The specific problem is: defining multiplication is not straightforward and different proposals have been made over the centuries, with competing ideas (e.g. recursive vs. non-recursive definitions). See the talk page for details. WikiProject Mathematics may be able to help recruit an expert. (September 2023)

  7. Putin denies Russian defeat in Syria, says Israel is the main ...

    www.aol.com/news/putin-denies-russian-defeat...

    MOSCOW (Reuters) -Russian President Vladimir Putin denied on Thursday that Russia's nine-year intervention in Syria had been a failure, but expressed concern about Israel's military operations ...

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