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Candemol2
@Candemol2
January 2021
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Bonjour
dernière question svp aidez moi a faire cet exercice ⬆⬆⬆
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AhYan
4V + 4M = 11
6V + 2M = 9,10 => 12V +4M = 18,20
18,20-11 = 12V + 4M - 4V - 4M
7,20 = 8V
7,20/8 = V
Donc V = 0,90€
4V + 4M = 11
4×0,90 + 4M = 11
3,60 + 4M = 11
4M = 11-3,60
4M = 7,40
M = 7,40/4
M = 1,85€
Vérification :
6V + 2M = 9,10
6×0,90 + 2×1,85 = 5,40 + 3,70 = 9,10€
Donc on a bien :
V = 0,90€
M = 1,85€
3ème bijou
5V + 3M = 5×0,90 + 3×1,85 = 4,50 + 5,55 = 10,05€
Le 3ème bijou coûte 10,05€.
1 votes
Thanks 0
Candemol2
Vraiment Merci !!!! t forte en anglais ? stp
BravoTeam
yep, t'a un devoir d'anglais?
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Lista de comentários
6V + 2M = 9,10 => 12V +4M = 18,20
18,20-11 = 12V + 4M - 4V - 4M
7,20 = 8V
7,20/8 = V
Donc V = 0,90€
4V + 4M = 11
4×0,90 + 4M = 11
3,60 + 4M = 11
4M = 11-3,60
4M = 7,40
M = 7,40/4
M = 1,85€
Vérification :
6V + 2M = 9,10
6×0,90 + 2×1,85 = 5,40 + 3,70 = 9,10€
Donc on a bien :
V = 0,90€
M = 1,85€
3ème bijou
5V + 3M = 5×0,90 + 3×1,85 = 4,50 + 5,55 = 10,05€
Le 3ème bijou coûte 10,05€.