Question

Calcule:

(a) 8 × 1/4.
(b) 3/8× 1/7.
(c) 4/3× 9/8.
(d) 3/4× 7/3× 4/7.
(e) 1/2÷ 2.
(f) 3 ÷ 5/3.
(g) 7/4÷ 7/5.
(h) 9/11 ÷ 13/22.​

Answer 1

Olá....

Resolução:

a)

8 × 1/4

8/4

2

b)

3/8 × 1/7

3 × 1 / 8 × 7

3/56

c)

4/3 × 9/8

4 × 9 / 3 × 8

36/24 ÷ 12

3/2

d)

3/4 × 7/3 × 4/7

1/4 × 7 × 4/7

1/4 × 4

1

e)

1/2 ÷ 2

1/2 × 1/2

1/4

f)

3 ÷ 5/3

3 × 3/5

9/5

g)

7/4 ÷ 7/5

7/4 × 5/7

1/4 × 5

5/4

h)

9/11 ÷ 13/22

9/11 × 22/13

9 × 2/13

18/13​

Bons estudos.

Answer 2

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