PFV ME AJUDEMMMMMM
1. Resolva as seguintes expressões:
a. 12 + [35 - (10 + 2) +2] =
b. [(18 + 3 · 2) ÷ 8 + 5 · 3] ÷ 6 =
c. 37 + [35 – (11 + 19 – 4)] =
d. 72 ÷ {2 · [7 + 18 ÷ (12 - 3)]} – [7 · (3) – 18 ÷ (2) + 1] =
e. 30 – {2 + (15 – 11) + [5 + (3 - 1)] + 8} =
f. [2 + (42 – 5 · 6)] ÷ (5 + 2) + 6 =
g. 8 + {5 + [(12 – 8) + (13 + 12)] – 10} =
h. {[(8 · 4 + 3) ÷ 7 + (3 + 15 ÷ 5) · 3] · 2 – (19 – 7) ÷ 6} · 2 + 12 =
Respostas
Explicação passo-a-passo:
12+[35-(10+2)+2]
12+[35-12+2]
12+[23+2]
12+25
37
[(18+3×2)÷8+5×3]÷6
[(18+6)÷8+5×3]÷6
[24÷8+5×3]÷6
[3+5×3]÷6
[3+15]÷6
18÷6
3
37+[35–(11+19–4)]
37+[35–(30–4)]
37+[35–26]
37+9
46
72÷{2×[7+18÷(12-3)]}–[7×(3)–18÷2+1]
72÷{2×[7+18÷9]}–[7×(3)–18÷2+1]
72÷{2×[7+2}–[7×(3)–18÷2+1]
72÷{2×9}–[7×(3)–18÷2+1]
72÷18–[7×(3)–18÷2+1]
72÷18–[21–18÷2+1]
72÷18–[21–9+1]
72÷18–[12+1]
72÷18–13
72÷18–13
4-13
-9
30–{2+(15–11)+[5+(3-1)]+8}
30–{2+4+[5+(3-1)]+8}
30–{2+4+[5+2]+8}
30–{2+4+7+8}
30–{6+7+8}
30–{13+8}
30–21
9
[2+(42-5×6)]÷(5+2)+6
[2+(42-30)]÷(5+2)+6
[2+12]÷(5+2)+6
[2+12]÷7+6
14÷7+6
2+6
8
8+{5+[(12–8)+(13+12)]–10}
8+{5+[4+(13+12)]–10}
8+{5+[4+25]–10}
8+{5+29–10}
8+{34–10}
8+24
32
{[(8×4+3)÷7+(3+15÷5)×3]×2–(19–7)÷6}×2+12
{[(32+3)÷7+(3+15÷5)×3]×2–(19–7)÷6}×2+12
{[35÷7+(3+15÷5)×3]×2–(19–7)÷6}×2+12
{[35÷7+(3+3)×3]×2–(19–7)÷6}×2+12
{[35÷7+6×3]×2–(19–7)÷6}×2+12
{[35÷7+6×3]×2–12÷6}×2+12
{[5+6×3]×2–12÷6}×2+12
{[5+18]×2–12÷6}×2+12
{23×2–12÷6}×2+12
{46–12÷6}×2+12
{46–2}×2+12
44×2+12
88+12
100