Réponse :
bonjour
Explications étape par étape :
A= 13/8 +5/2 +3/4
=13/8 +20/8+6/8
=39/8
B=5/12+11/24+1/6
=11/24+10/24+4/24
=25/24
D=3/5 -4/15-7/30
=-7/30 -8/30 +18/30
=3/30
=1/10
E=14/9+2/3-5/18
=28/18+12/18-5/18
=35/18
C=2+3/7+11/14
=28/14 +6/14+11/14
=45/14
F= 1-9/34+3/2
=34/34 -9/34 +51/34
=76/34
=38/17
