December 2023 1 3 Report
MARTES 13 DE JULIO DEL 2021

TEMA: adicion con números enteros

1._ completa los espacios en blanco

+6+___=0

+-___-(+9)=0

-18+(+18)= ____

7+ ____-=0

_____+(+3)=0

+19+(-19)=___-_

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