Mathematics for IGCSE & O level - The Four Operations (Section 1 - No. 22)
Which of the following steps must be followed in order to simplify: 14 + 21 / 7 - 3?
Division then addition and subtraction
Addition, Subtraction and Division
Addition then division and subtraction
Subtraction, Division then addition
解释
Follow PEMDAS: Division performed before addition and subtraction