Question

(+16) + (+31)
(+20) + (-12)
(+26) + ( -32)
(-19) + (+12)
(+25) - ( -39)
( + 9) - ( -18)

Answer 1

Resposta:

16+31= 47

+20 - 12 = 8

+26 -32= -6

-19 + 12 = -7

25 + 39= 54

9 + 18= 26

Espero ter ajudado <3 ;-;