2-2+33-64+64-77????????

Question

2-2+33-64+64-77????????

Answer 1

1) - 2-2=0

2) - 0+33=33

3) - 33-64 = -31

4) - -31+64= 33

5) - 33-77 = -44

Answer 2

Думаю ответ будет -44