Question

como resolver esta questao {87-[38+(13-5)+4]-12}-3

Answer 1

{87-[38+(13-5)+4]-12}-3
= 87 - (38 + 8 + 4) - 12 - 3
= 87 - 50-12 - 3
= 46

Answer 2

{87-[38+(13-5)+4]-12}-3

{87-[38+8+4]-12}-3

{87- 50 -12}-3

25 - 3

22