Réponse:
Bonjour,
A=17/12 + 2/3
17/12+8/12
= 25/12
B=7/15 + 2/5
7/15+6/15
=13/15
C=2 - 3/7
2/1-3/7
14/7-3/7
= 11/7
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7/15+6/15=13/15
14/7/-3/7=11/7
Réponse:
Bonjour,
A=17/12 + 2/3
17/12+8/12
= 25/12
B=7/15 + 2/5
7/15+6/15
=13/15
C=2 - 3/7
2/1-3/7
14/7-3/7
= 11/7