JOSE98983372358JOSEGO
Respondido

calcule:
a)-12+8-9+2-6=



b)+15-5-3+1-2=​

Resposta :

BEAVNAGO

a)-12+8-9+2-6=

-4-9+2-6=

-13+2-6=

-11-6=

-17

b)+15-5-3+1-2=​

10-3+1-2=

7+1-2=

8-2=

6

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