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M4TT
@M4TT
January 2021
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Bonsoir , j'aurais besoin d'aide je ne comprend rien au math merci de répondre rapidement
Excuser moi pour la qualité de la photo
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rikabreizh
A]
1.a)(140*20)/100=28
⇒réduction de 28 euros.
b)140-28=112
⇒le manteau coûte 112 euros.
2.a)(20x)/100
b)x-[(20x)/100]
c)x=140
⇒140-[(20*140)/100]=112
c'est bon.
3.a)(30x)/100
b)x-[(30x)/100]
B]
1. ...0.8
...0.7
2. ...0.3 ...30/100
C]
1....multiplier par 0.6
2.... multiplier par 0.85
3. 60-[(60*35)/100]=39 euros
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Lista de comentários
1.a)(140*20)/100=28
⇒réduction de 28 euros.
b)140-28=112
⇒le manteau coûte 112 euros.
2.a)(20x)/100
b)x-[(20x)/100]
c)x=140
⇒140-[(20*140)/100]=112
c'est bon.
3.a)(30x)/100
b)x-[(30x)/100]
B]
1. ...0.8
...0.7
2. ...0.3 ...30/100
C]
1....multiplier par 0.6
2.... multiplier par 0.85
3. 60-[(60*35)/100]=39 euros