April 2021 0 45 Report
17) Calcula las siguientes Sumas de números enteros a) (-3) + 8 =
b) 4+ (-12) =
c) (-15) + (-10) =

18) Calcula la resta de los siguientes números enteros

a) (-8) - (-5) =
b) 12 - (-6) =
c) (-7( - (-7) = ​

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