Réponses :
A) 7:4
B) 7:10
C) 3:4
Étapes :
A) 35:20 = 35:5, 20:5 = 7:4
B) 49:70 = 49:7, 70:7 = 7:10
C) 18:24 = 18:6, 24:6 = 3:4
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Réponses :
A) 7:4
B) 7:10
C) 3:4
Étapes :
A) 35:20 = 35:5, 20:5 = 7:4
B) 49:70 = 49:7, 70:7 = 7:10
C) 18:24 = 18:6, 24:6 = 3:4