Question

Quanto e 1-3 3-7 1-1 4 2-5 4
_ _ _-_ _ - `_

4 8 7 5 6 3

]
OBS: com conta

Answer 1

1-3 = -1  3-7 = -4  1-1 = 0  2-5=-3

-1 -4 -4 -3 -4

-16