Question

A. ?????
J ?????
U. ????
D????
A. .????????

Answer 1

DE >>>>> indica  VEZES

1/3 de  5   =  1/3 * 5/1   =  ( 1 * 5 ) / ( 3 * 1 )  = 5/3

b

2/5 de 9 =  ( 2/5 ) * 9/1 = 18/5

c

4/7 de 8 = 4/7 * 8/1 = 32/7

d

6/8 de 4  ou  6/8 * 4/1 =  24/8  =  3/1

e

1/2 de 90  ou   1/2 * 90/1 =  90/2 = 45 ***

f

1/4 de 100  ou  1/4 * 100/1 = 100/4 = 25 ****