Question

calcule

a) 3/7 × 1/4 =

b)7×3/8×1/2=

c)1/5×3/8×1/2=

d)2×7/5×1 1/6=

e) 2/3÷5/2=

​

Answer 1

Oi...

Resolução:

a)

3/7 × 1/4

3/28

b)

7 × 3/8 × 1/2

21/16

c)

1/5 × 3/8 × 1/2

3/80

d)

2 × 7/5 × 1 1/6

2 × 7/5 × 7/6

7/5 × 7/3

49/15

e)

2/3 ÷ 5/2

2/3 × 2/5

4/15

Espero ter ajudado.