Bonjour , Calcule : A=7/3 + 11/5 B=2/7 - 5/9 C=5/6 - 7/4 D=1/3 + 1/2 + 5/3 + 3/2 E=7/5 + 13/5 + 3/10 - 7/10
Mathématiques
maram92
Question
Bonjour ,
Calcule :
A=7/3 + 11/5
B=2/7 - 5/9
C=5/6 - 7/4
D=1/3 + 1/2 + 5/3 + 3/2
E=7/5 + 13/5 + 3/10 - 7/10
Calcule :
A=7/3 + 11/5
B=2/7 - 5/9
C=5/6 - 7/4
D=1/3 + 1/2 + 5/3 + 3/2
E=7/5 + 13/5 + 3/10 - 7/10
1 Réponse
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1. Réponse Anonyme
Réponse :
A=7/3+11/5
=35/15+33/15
=68/15
B=2/7-5/9
=18/63-35/63
=-17/63
c=5/6-7/4
=10/12-21/12
=-11/12
D=1/3+1/2+5/3+3/2
=6/3+4/2
=2+2
=4
E=7/5+13/5+3/10-7/10
=20/5-4/10
=4-4/10
=40/10-4/10
=36/10
=18/5