Mathematics for IGCSE & O level - The Four Operations (Section 8 - No. 32)
Which of the following statements is correct regarding order of operations?
Multiplication always comes before addition.
Parentheses must always be evaluated first.
Exponents are evaluated before multiplication or division.
Addition and subtraction are performed before any other operation
Giải thích
Parentheses must always be evaluated first, followed by Exponents, then Multiplication and Division from left to right, then Addition and Subtraction from left to right.