900023417 900023417

23-03-2020
Mathematics

contestada

(-5)+(-4)=
(-3)+(+1)=
(-2)+(-7)=

Respuesta :

Llamaland9 Llamaland9

23-03-2020

Answer:

(-5)+(-4)= -9

(-3)+(+1)= -2

(-2)+(-7)= -9

Step-by-step explanation:

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