Question

5. Efetue as multiplicações
a)5 x 1/3 x 2/7
b)4/5 x 2 x 3/8
c) 5x 7/3 x 2
d) 4/5 x 7 x 2

Answer 1

a) 5 x 1/3 x 2/7
5 x 2/21
10/21

b) 4/5 x 2 x 3/8
1/5 x 2 x 3/2
1/5 x 3
3/5

c) 5 x 7/3 x 2
35/3 x 2
70/3

d) 4/5 x 7 x 2
28/5 x 2
56/5