Question

04. Resolva as expressões numéricas:
a) 7 x (54 - 14: 2 X 6): 4
b) 270:9-3+ (11+25 x 2)
c) (640- 50x8):6-32
d) 2 x (7-4) - 12:3+ 25
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Answer 1

a) 7 × (54 - 14 ÷ 2 × 6) ÷ 4

7 × (54 - 42) ÷ 4

7 × 12 ÷ 4

21

b) 270 ÷ 9 - 3 + (11 + 25 × 2)

30 - 3 + (11 + 50)

30 - 3 + 61

88

c) (640 - 50 × 8) ÷ 6 - 32

(640 - 400) ÷ 6 - 32

240 ÷ 6 - 32

40 - 32

8

d) 2 × (7 - 4) - 12 ÷ 3 + 25

2 × 3 - 4 + 25

6 - 4 + 25

27