Question

pfv me AJUDEM EU ESTOU EM AULA !!!​

Answer 1

Explicação passo-a-passo:

a)

1/4 × 5/2 = 5/8

b)

7/ 3 x 3/5 = 21/15 = 7/5

c)

1/2 × 2/10 = 2/20 = 1/10

d)

7/12 × 3/5 = 21/60 = 7/20

e,)

9/10 × 4,/15 = 36/150 = 9/25

f)

12/15 × 6/9 = 72/135 = 24/45 = 8/15