Réponses

  • Utilisateur Brainly
2014-09-14T21:41:02+02:00
A= 1/2 + 2/4
A= 2/4 + 2/4
A= 4/4
A= 1

B= 1/2 + 2/4 + 3/8
B= 4/8 + 4/8 + 3/8
B= 11/8
B= 1,375

C= 1/2 + 2/4 + 3/8 + 4/16
C= 8/16 + 8/16 + 6/16 + 4/16
C= 26/16
C= 13/8
C= 1,625
2014-09-14T22:21:12+02:00
A= 1/2 + 2/4
A= 2/4 + 2/4
A= 4/4
A= 1
B= 1/2 + 2/4 + 3/8
B= 4/8 + 4/8 + 3/8
B= 11/8
B= 1,375
C= 1/2 + 2/4 + 3/8 + 4/16
C= 8/16 + 8/16 + 6/16 + 4/16
C= 26/16
C= 13/8
C= 1,625