.- Resuelve las siguientes operaciones: a) +5 + (+5) = b) –4 + (–4) = c) +9 + (–15) = d) –20 + (+3) = e) –5 + (+2) = f) +8 – (+8) = g) –9 – (–7) = h) –8 – (+6) = i) 12 – (–20) = j) +2 – (+2) =
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Explicación paso a paso:
a) +5 + (+5) = 5 + 5 = 10
b) –4 + (–4) = -4 - 4 = -8
c) +9 + (–15) = 9 - 15 = -6
d) –20 + (+3) = -20 + 3 = -17
e) –5 + (+2) = -5 + 2 = -3
f) +8 – (+8) = 8 - 8 = 0
g) –9 – (–7) = -9 + 7 = -2
h) –8 – (+6) = -8 - 6 = -14
i) 12 – (–20) = 12 + 20 = 32
j) +2 – (+2) = 2 - 2 = 0
da mejor respuesta porfa.
JARS