7(x+5)+3x-35 x=314159,9514 calculer sans poser de multiplication
Mathématiques
noelien
Question
7(x+5)+3x-35 x=314159,9514 calculer sans poser de multiplication
1 Réponse
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1. Réponse Anonyme
Bonjour,
7(x + 5) + 3x - 35 = (7x + 35) + 3x - 35
= 7x + 35 +3x - 35
= 10x
Si x = 314159,9514 , alors 7(x + 5) + 3x - 35 = 10 * 314 159,9514
= 3 141 599,514