Answer: 18
Explanation:
3 * 10 - 2 (12 - 3 * 3)
You start in the parentheses
3*3 = 6
3 * 10 - 2 (12 - 6)
12 - 6 = 6
3 * 10 - 2 * 6
3 * 10 = 30
30 - 2 * 6
2 * 6 = 12
30 - 12 = 18
18 is your answer
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