Question

Calcular e assinalar a resposta correta. {[(5+6) - (10 - 1) + (20 - 15)] + 35} =

Answer 1

42

Explicação passo-a-passo:

5+6−(10−1)+20−15+35

5+6−(10−1)+20−15+3511−(10−1)+20−15+35

5+6−(10−1)+20−15+3511−(10−1)+20−15+3511−9+20−15+35

5+6−(10−1)+20−15+3511−(10−1)+20−15+3511−9+20−15+352+20−15+35

5+6−(10−1)+20−15+3511−(10−1)+20−15+3511−9+20−15+352+20−15+352+5+35

7+35

+3542