Question

calcule o valor das expressões numéricas.​

Answer 1

a) 5 + 6 × 4

5 + 24

29

b) (5 + 6) × 4

11 × 4

44

c) 10 + 8 × 4 - 15

10 + 32 - 15

42 - 15

27

d) 200 - 3 × 60 + 8

200 - 180 + 8

20 + 8

28

e) (18 - 15 ÷ 5 + 3) × 4

(18 - 3 + 3) × 4

18 × 4

72

f) [(21 ÷ 7) × (3 ÷ 1) + 6] - [(7 × 6) ÷ (5 - 2)]

[3 × 3 + 6] - [42 ÷ 3]

[9 + 6] - 14

15 - 14

1

g) {[13 - (3 × 2 + 1)] + 3 + (5 × 2 - 4 ÷ 2)}

{[13 - 7] + 3 + (10 - 2)}

{6 + 3 + 8}

17