The order of operations is a set of rules for math notation that states:
1. Expressions in parentheses should be solved first.
2. Exponents should be calculated afterwards.
3. Multiplication and division follow.
4. Addition and subtraction is done last.
This order is commonly abbreviated as PEMDAS (Parentheses, Exponents, Multiplication/Division, Addition/Subtraction) or BODMAS (Brackets, Order, Division/Multiplication, Addition/Subtraction).
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