ORDER OF OPERATIONS
Parentheses/Brackets - from the inside out
Exponents - powers/roots
Multiplication/Divison - from left to right
Addition/Subtraction - from left to right
40 + (66 ÷ 6) × 10 | = | 40 + 11 × 10 |
| = | 40 + 110 |
| = | 150 |
15 − [(5 + 5) × 3] ÷ 6 | = | 15 [10 × 3] ÷ 6 |
| = | 15 − 30 ÷ 6 |
| = | 15 − 5 |
| = | 10 |