Réponse :
bonjour
x/4 = 7 /8
8 x = 28
x = 28/8 = 3.5
3/ x = 5/7
5 x = 21
x = 21/5
2/9 = x / 6
9 x = 12
x = 12/9 = 4/3
10/7 = 6 /x
10 x = 42
x = 4.2
Explications étape par étape :
a) x=4*7/7= 28/8=7/2 b) x= 21/3=21/5 c) x=6*2/9=12/9=4/3 d) x=6*7/10=42/10=21/5
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Réponse :
bonjour
x/4 = 7 /8
8 x = 28
x = 28/8 = 3.5
3/ x = 5/7
5 x = 21
x = 21/5
2/9 = x / 6
9 x = 12
x = 12/9 = 4/3
10/7 = 6 /x
10 x = 42
x = 4.2
Explications étape par étape :
Réponse :
a) x=4*7/7= 28/8=7/2 b) x= 21/3=21/5 c) x=6*2/9=12/9=4/3 d) x=6*7/10=42/10=21/5
Explications étape par étape :