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2. Standard algorithms - Wikipedia

   en.wikipedia.org/wiki/Standard_algorithms

   In elementary arithmetic, a standard algorithm or method is a specific method of computation which is conventionally taught for solving particular mathematical problems. . These methods vary somewhat by nation and time, but generally include exchanging, regrouping, long division, and long multiplication using a standard notation, and standard formulas for average, area, and vol

3. Symbols of grouping - Wikipedia

   en.wikipedia.org/wiki/Symbols_of_grouping

   For example, in the expression 3(x+y) the parentheses are symbols of grouping, but in the expression (3, 5) the parentheses may indicate an open interval. The most common symbols of grouping are the parentheses and the square brackets, and the latter are usually used to avoid too many repeated parentheses.

4. Addition - Wikipedia

   en.wikipedia.org/wiki/Addition

   The total amount of shapes are 5, which is a consequence of the addition of the objects from the two sets (3 + 2 = 5). Possibly the most basic interpretation of addition lies in combining sets : When two or more disjoint collections are combined into a single collection, the number of objects in the single collection is the sum of the numbers ...

5. Word problem (mathematics) - Wikipedia

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

   The word problem for an algebra is then to determine, given two expressions (words) involving the generators and operations, whether they represent the same element of the algebra modulo the identities. The word problems for groups and semigroups can be phrased as word problems for algebras. [1]

6. US senators vow action after briefing on Chinese Salt Typhoon ...

   www.aol.com/news/us-agencies-brief-senators...

   WASHINGTON (Reuters) -U.S. government agencies held a classified briefing for all senators on Wednesday on China's alleged efforts known as Salt Typhoon to burrow deep into American ...

7. Carry (arithmetic) - Wikipedia

   en.wikipedia.org/wiki/Carry_(arithmetic)

   During the addition, each carry is "signaled" rather than performed, and during the carry cycle, the machine increments the digits above the "triggered" digits. This operation has to be performed sequentially, starting with the ones digit, then the tens, the hundreds, and so on, since adding the carry can generate a new carry in the next digit.