Question

alguem me ajuda pfvr
- 67+54÷6‐82=
+8‐12‐26+10=
(‐7²)‐34+31‐20=

​

Answer 1

Resposta:

- 67+54÷6‐82

-67+9-82

$\rightarrow\boxed{\boxed{\sf{ - 140}}}\checkmark$

+8‐12‐26+10

18-12-26

18-38

$\rightarrow\boxed{\boxed{\sf{ - 20}}}\checkmark$

(‐7²)‐34+31‐20

-7²-34+31-20

-49-34+31-20

$\rightarrow\boxed{\boxed{\sf{ - 72}}}\checkmark$

Explicação passo-a-passo:

(espero ter colaborado)