Respuesta:
a) 8+20= 28
b) (-15)+(-3)= -18
c) 17+(-19)= -2
d) (-6)+20= 14
e) (-11)+4= -7
f) 18+(-17)= 1
g) (-7)+(-10)= -17
h) 10+2= 12
i) 4+(-16)= -12
j) (-1)+(-16)= -17
k) (-8)+16= 8
L) 12+(-14)= -2
m) (-18) + (-5)= -23
n) (-20)+11= -9
ñ) 13+(-9)= 4
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Respuesta:
a) 8+20= 28
b) (-15)+(-3)= -18
c) 17+(-19)= -2
d) (-6)+20= 14
e) (-11)+4= -7
f) 18+(-17)= 1
g) (-7)+(-10)= -17
h) 10+2= 12
i) 4+(-16)= -12
j) (-1)+(-16)= -17
k) (-8)+16= 8
L) 12+(-14)= -2
m) (-18) + (-5)= -23
n) (-20)+11= -9
ñ) 13+(-9)= 4