Parentheses, Braces, and Brackets in Math - ThoughtCo
https://www.thoughtco.com/parenthesis-braces-and-brackets-2312410
WEBSep 1, 2019 · You'll come across many symbols in mathematics and arithmetic. In fact, the language of math is written in symbols, with some text inserted as needed for clarification. Three important—and related—symbols you'll see often in math are parentheses, brackets, and braces, which you'll encounter frequently in prealgebra and algebra.
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