Respostas

  • Usuário do Brainly
2014-05-12T15:17:51-03:00
  • Usuário do Brainly
2014-05-12T15:29:58-03:00
4/8 = 1/2
4:4=1
8:4=2
5/15= 1/3
5:5=1
15:5=3
20/50=2/5
20:10=2
50:10=5