Question

me ajudem pfvvv

a) -4+[-3+(-5+9-2)]

b) -6-[10+(-8-3)-1

c) -8-[-2-(-12)+3]


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Answer 1

Resposta:

Explicação passo-a-passo:

-4+[-3+(-5+9-2)]=

-4+[-3+(+4-2)]=

-4+[-3+2]=

-4+[-1]=

-5

-6-[10+(-8-3)-1]=

-6-[10+(-11)-1]=

-6-[10-11-1]=

-6-[-1-1]=

-6-[-2]=

-6+2=

-4

-8-[-2-(-12)+3]=

-8-[-2+12+3]=

-8-[+10+3]=

-8-[13]=

-8-13=

-21