Question

-20+30- 100 + 10 é:


(A) -90


(B)+90


(C)-80


(D)+80

Answer 1

Resposta:

-80

Explicação passo-a-passo:

[(-20+30)-100]+10=x

[10-100]+10=x

-90+10= -80

x= -80

Answer 2

Alternativa correta Letra C

$\large{ - 20 + 30 - 100 + 10} =$

$\large{ - 120 + 30 + 10} =$

$\large{ - 120 + 40} =$

$\large \boxed{ \red{ -80}}$

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