Bonjour,
a)
3/11+4/11-5/11=(3+4-5)/11
=2/11
b)
13/15-(4/15+2/15)=13/15-4/15-2/15
=(13-4-2)/15
=7/15
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Bonjour,
a)
3/11+4/11-5/11=(3+4-5)/11
=2/11
b)
13/15-(4/15+2/15)=13/15-4/15-2/15
=(13-4-2)/15
=7/15