пожалуйсто безотлагательно надобно раставте ступень окесления

1)(0)+(0)=(0)+(+2:-1)
2)(0)+(+1:-2)=(0)+(+1:-2:+1)
3)(+1:+5:-2)+(+1:-1)=(+1:-1)+(+1:+5:-2)
4)(+1:+5:-2)=(+1:+3:-2)+(0)
5)(0)+(0)=(+3:-2)
6)(0)+(+1:+6:-2)=(+2:+6:-2)+(+4:-2)+(+1:-2)
7)(0)+(0)=(+2:-2)
8)(+3:-1)+(+1:-2:+1)=(+3:(-2:+1))+(+1:-1)
9)(0)+(+1:-1)=(0)+(+1:-1)
10)(+1:-1)+(+1:+5:-2)=(+1:-1)+(+1:+5:-2)
11)(+1:-2:+1)+(+1:-1)=(+1:-1)+(+1:-2)
12)(0)+(0)=(+4:-2)
13)(0)+(0)=(+2:-1)
14)(+2:+6:-2)+(0)=(+2:+6:-2)+(0)
15)(0)+(0)=(+1:-1)+(0)
16)(+1:+5:-2)+(+1:-1)=(+1:-1)+(+1:+5:-2)
17)(0)+(0)=(+4:-2)