Question

76-[3+(9-3)+(61-20)-(7-2)]

Answer 1

= 76 - [3 + (9 - 3) + (61 - 20) - (7 - 2)]
= 76 - [ 3 + 6 + 41 - 5]
= 76 - [ 9 + 36]
= 76 - [ 45 ]
= 76 - 45
= 31

Answer 2

76-[3+(9-3)+(61-20)-(7-2)]

76-[3+3+41-5]

76-[6+36]

76-72

4