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Gissellmacias2go
contestada

calcula usando la tabla numérica:
a. 20 + 20 =
b. (–18) + 7 =
c. (–3) + (–4) =

d. (–3) + 7 :
e. 20 + 0 =
f. (–18) + (–7) =

g. (–18) + 25 =
h. (–3) + 0 =
i. 20 + (–20) =

j. 20 + 10 =
k. (–18) + 0 :
l. (–3) + (–7) =

m. (–3) + 4 =
n. 20 + (–10) =
o. (–18) + (–25) =​

Respuesta :

a. 20 + 20 = 20

b. (–18) + 7 = -11

c. (–3) + (–4) = -7

d. (–3) + 7 : 4

e. 20 + 0 = 20

f. (–18) + (–7) = -25

g. (–18) + 25 = 7

h. (–3) + 0 = -3

i. 20 + (–20) = 0

j. 20 + 10 = 30

k. (–18) + 0 : -18

l. (–3) + (–7) = -10

m. (–3) + 4 = 1

n. 20 + (–10) = 10

o. (–18) + (–25) = -43

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