Question

calcule:
a) +5 + 3 =
b) +1 + 4 =
C) -4 -2 =
d) -3 -1 =
e) +6 + 9 =
f) +1 - 6 =
g) -9 + 4 =
h) -3 + 6 =
i) -8+3=
i) -9 + 11 =​

Answer 1

Resposta:

A-8

B-5

C-2

D-2

E-15

F-5

G-13

H-9

I-11

J-20