Question

a) 12 + 39 =
b) -7 -18 =
c) 40 - 13 =
d) -37 + 12 =​

Answer 1

Resposta:

a) 51

b) -25

c) 27

d) -25

Answer 2

12+39= 51

-7-18= -25

40-13= 27

-37+12= -25