Respostas

2013-10-02T19:42:24-03:00
21,7/3
7,7/7
1
7,3=21 o mmc de 21 e 7
1 5 1
  • Usuário do Brainly
2013-10-02T20:42:08-03:00
Mmc de 21,7
21,7/7
3,1/3
1,1

logo 7 x 3 = 21 (mmc de 21,7)
1 5 1