Question

13.Efetue as adições.
a) (+2) + (+3) =
c) (+3) + (+11) =
e) (-3) + (-2) =
g) (+7) + (+2) + (+5) =
i) (+3) + (+8) + (+15) =
k) (-9) + (-4) + (-3) =​

Answer 1

Resposta:

A: 5 / C: 14 / E: -6 / G: 14 / I: 26 / K: -16

Answer 2

a) (+2) + (+3)

+2 + 3

+5

c) (+3) + (+11)

+3 + 11

+14

e) (-3) + (-2)

-3 - 2

- 5

g) (+7) + (+2) + (+5)

+ 7 + 2 + 5

+ 14

i) (+3) + (+8) + (+15)

+3 + 8 + 15

+ 26

k) (-9) + (-4) + (-3)

-9 - 4 - 3

- 16

Boa sorte❤