ANABEATRIZBIALIPGO
Respondido

4. Determine o valor das expressões abaixo :

a) (+3) – (+5) – (–10)

b) ( - 12) + ( - 19) + ( + 12) – ( - 1)

c) – ( - 4) – ( - 3) – ( + 1)

d) ( - 8)2 + ( - 2)

4 : 4 – ( -3) + 50

e) (- 10)2

– (- 3) + (– 8) : (–2)
me ajudemmm por favorrr prescisa de calculo ​

Resposta :

Resposta:

Explicação passo-a-passo:

a) +(+3) – (+5) – (–10)=

+3-5+10=

-2+10=

+8

b) +( - 12) + ( - 19) + ( + 12) – ( - 1)=

-12-19+12+1=

-31+12+1=

-19+1=

-18

c) – ( - 4) – ( - 3) – ( + 1)=

+4+3-1=

+7-1=

+6

d) +( - 8)2 + ( - 2)=

-8*2-2=

-16-2=

-18

4 : 4 – ( -3) + 50=

1+3+50=

54

e) +(- 10)2=

-10*2=

-20

– (- 3) + (– 8) : (–2)=

+3+(+4)=

+3+4=

+7

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