Question

AJUDEMMMMM EXPRESSÕES NUMÉRICAS
[{7×3 -18 ÷ 2) + 1]×4 =
8 + {5× [(12-8) × (13-11) - 6 ]}
30 - {[5×(3+1)-10}+8}=

Answer 1

Resposta:

[(7×3 -18 ÷ 2) + 1]×4 =

[(21-8)+1]*4=

[13+1]*4=

14*4=

56

8 + {5× [(12-8) × (13-11) - 6 ]}

8+{5*[4*2-6]}

8+{5*[8-6]}

8+{5*2}

8+10

18

30 - {[5×(3+1)-10}+8}=

30-{[5*4-10]+8}

30-{[20-10]+8}

30-{10+8}

30-18

12