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2. Word problem (mathematics education) - Wikipedia

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

   Word problem from the Līlāvatī (12th century), with its English translation and solution. In science education, a word problem is a mathematical exercise (such as in a textbook, worksheet, or exam) where significant background information on the problem is presented in ordinary language rather than in mathematical notation.

3. Addition - Wikipedia

   en.wikipedia.org/wiki/Addition

   A number-line visualization of the algebraic addition 2 + 4 = 6. A "jump" that has a distance of 2 followed by another that is long as 4, is the same as a translation by 6. A number-line visualization of the unary addition 2 + 4 = 6. A translation by 4 is equivalent to four translations by 1.

4. 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]

5. Algebra - Wikipedia

   en.wikipedia.org/wiki/Algebra

   A ring is a commutative group under addition: the addition of the ring is associative, commutative, and has an identity element and inverse elements. The multiplication is associative and distributive with respect to addition; that is, a ( b + c ) = a b + a c {\displaystyle a(b+c)=ab+ac} and ( b + c ) a = b a + c a . {\displaystyle (b+c)a=ba+ca.}

6. Powerful thunderstorms batter parts of Texas, threatening ...

   www.aol.com/storms-tornadoes-bad-weather...

   Parts of Texas and Louisiana were under a tornado watch Thursday night as a line of thunderstorms battered the south-central U.S., threatening the region with large hail, damaging winds and heavy ...

7. Shohei Ohtani undergoes shoulder surgery after playing ...

   www.aol.com/sports/shohei-ohtani-undergoes...

   Ohtani struggled to make hard contact for the rest of the series, however, and that now makes a bit more sense. He went a combined 1-for-14 with no extra-base hits in Games 3, 4 and 5 after ...