a) 0,13 = 13/100
b) 1,3 = 13/10
c) 1,013= 1013/1000
d) 1,03 = 103/100
e) 2,25 = 225/100 simplific cu 25= 9/4
f) 1,08= 108/100=simplific cu 2 = 54/ 50 simplific cu 2 = 27 /25
g) 5,075 = 5075/1000=simplific cu 5= 1015/200 = simplific cu 5 = 203/40
h) 0,0004= 4/10000= simplific cu 4 = 1/250