Question

3-[4+(9^2-5).(-2)]+1

Answer 1

3-[4+(9^2-5).(-2)]+1=3-[4+(81-5).(-2)]+1=3-[4+(76).(-2)]+1=3-[4-152]+1=3-[-148]+1=3+148+1=152

Answer 2

3-[4+(81-5).(-2)]+1
3-[4+(76).(-2)]+1
3-[4-152]+1
3-[-148]+1
3+148+1
152