Question

Calcule:
a) (+3) + (+17)
b) (–15) + (–9)
c) (+18) + (–10)
d) (–1) + (+18)
e) (–14) + (–22)
f) (+17) + (+17)
g) (–9) + (+18)
h) (–7) + (+7)
i) (+12,1) + (–8,3)
j) (+19,7) + (+2,8)
k) (–1,29) + (–12,9)

Answer 1

Respuesta:

A)3+17 =3+17 =20

B)−15−9 =−15+−9 =−24

C)18−10 =18+−10 =8

D)−1+18 =−1+18 =17

E)−14−22 =−14+−22 =−36

F)17+17 =17+17 =34

G)−9+18 =−9+18 =9

H)−7+7 =−7+7 =0

I)121−83 =121+−83 =38

J)197+28 =197+28 =225

K)−129−129 =−129+−129 =−258

-ESPERO QUE TE SIRVA