Correct Answer: 78
Explanation:
Given exp = 13 4 ÷ 5 4 - 1 2 5 2 - 3 - 2 12 = 13 4 ÷ 5 4 - 1 2 5 2 - 1 12
= 13 4 ÷ 5 4 - 1 2 30 - 1 12 = 13 4 ÷ 5 4 - 29 24
= 13 4 ÷ 30 - 29 24 =78