2. 15 x 18 + 12 ÷ 3 + 9





2. 15 x 18 + 12 ÷ 3 + 9

3. 8 x 4 + 9 – 9 + 18
4. 11 x 11 – 6 x 17 + 4
5. 2 – 1 + 5 x 4 x 11
7. 10 – 9 x 24 ÷ 8 x 6

P
Parentheses first
E
Exponents (ie Powers and Square Roots, etc.)
MD
Multiplication and Division (left-to-right)
AS
Addition and Subtraction (left-to-right)