Question

20 – {–10 – [–8 + ( 5 – 12 )] – 20}.

Answer 1

Resposta:

Olá

Explicação passo-a-passo:

20 – {–10 – [– 8 + ( 5 – 12 )] – 20}

20 – {–10 – [– 8 + (– 7)] – 20}

20 – {–10 – [–8 – 7] – 20}

20 – {–10 – [– 15] – 20}

20 – { – 10 + 15 – 20}

20 – {– 15}

20 + 15

35 <-------------resposta