Simplifier 3/7 × 4/7 × 7/5= 36/60 = 72/54= aider moi svp
Mathématiques
mel6700
Question
Simplifier
3/7 × 4/7 × 7/5=
36/60 =
72/54=
aider moi svp
3/7 × 4/7 × 7/5=
36/60 =
72/54=
aider moi svp
1 Réponse
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1. Réponse maudmarine
Bonjour
Simplifier :
3/7 × 4/7 × 7/5= 12/49 x 7/5 = 84/245 = (7 x 12) / (7 x 35) = 12/35
36/60 = (12 x 3) / (12 x 5) = 3/5
72/54 = (18 x 4) / (18 x 3) = 4/3.