Respuesta:
Explicación paso a paso:
(-4) + (+5) = +1
(-2) + (+3) = +1
(0) + (+1) = +1
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Respuesta:
¡Hola!
Explicación paso a paso:
(-4) + (+5) = +1
(-2) + (+3) = +1
(0) + (+1) = +1