35m+17m+35m+17m= 70m+8m+3,5m+21=
Mathématiques
josianne9
Question
35m+17m+35m+17m= 70m+8m+3,5m+21=
2 Réponse
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1. Réponse MichaelS
35m + 17m + 35m + 17 = 70m + 8m + 3.5m + 21
87m + 17 = 81.5m + 21
5,5m = 4
m= 4/5.5 = 40/55 -
2. Réponse mohayati2006
35m+17m+35m+17= 70m+8m+3,5m+21
17m+17=8m+3,5m+21
9m-3,5m=21-17
5,5m=4
m=4/5,5
m=0,72