Respuesta:
4
Explicación paso a paso:
( - 5 ) + ( + 9 )
= - 5 + 9
= 9 - 5
= 4
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Respuesta:
4
Explicación paso a paso:
( - 5 ) + ( + 9 )
= - 5 + 9
= 9 - 5
= 4