Resposta :
a) 2³ ÷ 4 + 3²
8 ÷ 4 + 9
2 + 9
11
b) 7² + 2 × [(3² - 4 × 1³)]
49 + 2 × (9 - 4 × 1)
49 + 2 × (9 - 4)
49 + 2 × 5
49 + 10
59
c) (30 - 5 × 6) ÷ (7 + 2 × 10)
(30 - 30) ÷ (7 + 20)
0 ÷ 27
0
d) 3² + (8 × 5 + 2³ - 5¹)
9 + (40 + 8 - 5)
9 + 43
52
e) [(24 ÷ 8) + 5 × 3] + 2
[3 + 15] + 2
18 + 2
20
f) [(18 + 3 × 2) ÷ 8 + 5 × 3]
[18 + 6] ÷ 8 + 15
24 ÷ 8 + 15
3 + 15
18
g) (2² + 5²) + (3 × 2 + 4)
(4 + 25) + (6 + 4)
29 + 10
39