Question

Calcule as Expressões Numéricas abaixo:

1) 2 + 8 – 3 – 5 + 15 =

2) 12 + [35 - (10 + 2) +2] =

3) [(18 + 3 · 2) ÷ 8 + 5 · 3] ÷ 6 =

4) 37 + [-25 – (-11 + 19 – 4)] =

5) 60 ÷ {2 · [-7 + 18 ÷ (-3 + 12)]} – [7 · (-3) – 18 ÷ (-2) + 1] =

6) -8 + {-5 + [(8 – 12) + (13 + 12)] – 10} =

7) 3 – {2 + (11 – 15) – [5 + (-3 + 1)] + 8} =

8) {42+[(45 - 19) – (18 – 3) +1 – (28 – 15)]}=

9) 67+{50 •[70 :(27 + 8) + 18 : 2] +21}=


alguém pode me ajudar tem coloca passo a passo
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Answer 1

Resposta:

Fiz somente a questão de número "5".

Explicação passo-a-passo:

Olhar a imagem.

Answer 2

Resposta:

1)2 + 8 – 3 – 5 + 15 =2+8–3–5+15

2+8−3−5+15  

=17

2)12+[35-(10+2)+2]

12+35-(10+2)+2

=37

3)[(18+3⋅2)÷8+5⋅3]÷6=

solucionador(18+328+536=;x)

4)37+[−25–(−11+19–4)]

37−25−(−11+19−4)

=8

5)60÷{2⋅[−7+18÷(−3+12)]}–[7⋅(−3)–18÷(−2)+1]

602(−7+18−3+12)−(7(−3)−18−2+1)

=602(−7+18−3+12)−(7(−3)−18−2+1)

6)−8+{−5+[(8–12)+(13+12)]–10}=

−8+{−5+((8−12)+(13+12))−10}=

=−8+{−5+((8−12)+(13+12))−10}=

7)3–{2+(11–15)–[5+(−3+1)]+8}=

3−{2+(11−15)−(5+(−3+1))+8}=

=3−{2+(11−15)−(5+(−3+1))+8}=

8){42+[(45−19)–(18–3)+1–(28–15)]}=

{42+((45−19)−(18−3)+1−(28−15))}=

={42+((45−19)−(18−3)+1−(28−15))}=

9)67+{50∙[70:(27+8)+18:2]+21}=

67+{50(7027+8+182)+21}=

=67+{50(7027+8+182)+21}=