Question

Observe as igualdades
(1) -4-4=8 (2) -1+4=+3
(3) -5-5=0 (4) -1-4=5.

Answer 1

1) -4 -4 = -8

Errada

2) -1 + 4 = 3

Correta

3) -5 - 5 = -10

Errada

4) -1 -4 = -5

Errada