Question

(+1)-(-1)+(-1)-(+1)+(+1)-(-1)=​

Answer 1

(+1)-(-1)+(-1)-(+1)+(+1)-(-1)
1 + 1 - 1 - 1 + 1 + 1
2 - 2 + 2
0 + 2
2

Answer 2

Resposta:

(+1)-(-1)+(-1)-(+1)+(+1)-(-1)=

1 + 1 - 1 - 1 + 1 + 1=

2 - 2 + 2=

0 + 2=

2

espero ter ajudado ;)