Réponses

  • Utilisateur Brainly
2014-10-01T13:56:48+02:00
A= 2/10 + 4/4
A= 2/10 + 1
A= 2/10 + 10/10
A= 12/10
A= 6/5

B= 8 - 2/7
B= 56/7 - 2/7
B= 54/7

C= 8/4 - 6/4
C= 2/4
C= 1/2
2014-10-01T14:59:58+02:00
A= 2/10 + 4/4
A= 2/10 + 1
A= 2/10 + 10/10
A= 12/10
A= 6/5

B= 8 - 2/7
B= 56/7 - 2/7
B= 54/7

C= 8/4 - 6/4
C= 2/4
C= 1/2