Bonjour,
a.2,1×5/7= 1,5
b.4,9×5/7 = 3,5
c.12,6×5/7 = 9
Réponse :
A= 2,1×5/7
= 10,5: 7
=3/2 fraction irreductible
= 1,5
B=4,9x5/7
=24,5 : 7
= 7/2. fraction irreductible
=3,5
C=12,6x5/7
=63/7
=9
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Bonjour,
a.2,1×5/7= 1,5
b.4,9×5/7 = 3,5
c.12,6×5/7 = 9
Verified answer
Réponse :
A= 2,1×5/7
= 10,5: 7
=3/2 fraction irreductible
= 1,5
B=4,9x5/7
=24,5 : 7
= 7/2. fraction irreductible
=3,5
C=12,6x5/7
=63/7
=9