Question

16. Efetue as moltiplicações:
a)1/2 x 8/8 =
b)4/7 x 215 =
c)5/3 x 2/7 =
d)3/7 x 1/5 =
e)1/8 x 1/9 =
f) 775 x 2/3 =
g)3/5 x 1/2 = ​

Answer 1

a) 1/2*8/8= 8/16 ÷8= 1/2

b)4/7*215= 860/7

c)5/3*2/7= 10/21

d)3/7*1/5= 3/35

e)1/8*1/9= 1/72

f) 775*2/3= 1550/3

g)3/5*1/2= 3/10

Answer 2

Oi...

Resolução:

a)

1/2 x 8/8 = 8/16 ÷ 8 = 1/2

b)

4/7 x 215 =  4 × 215 /7 = 860/7

c)

5/3 x 2/7 =  10/21

d)

3/7 x 1/5 =  3/35

e)

1/8 x 1/9 =  1/72

f)

775 x 2/3 = 775 × 2/ 3 = 1550/3

g)

3/5 x 1/2 = ​3/10

Bons estudos.