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History, 17.02.2021 22:40 nae8048

Exercice 3 A
1
8,6 x x + 4
On se propose d'utiliser le tableur pour tester si l'égalité
x2 + 22 = 8,6 x + 4 est vraie pour un nombre entier
compris entre 1 et 10. Pour cela, on a préparé cette feuille
de calcul
2
2
5
6
7
1) Quelle formule doit-on saisir dans la cellule A4 avant
de la recopier vers le bas ?
2) Quelle formule doit-on saisir dans la cellule B2 avant
8
de la recopier vers le bas ?
9
3) Quelle formule doit-on saisir dans la cellule C2 avanı
de la recopier vers le bas ?
3) Réaliser la feuille de calcul puis la compléter et donner valeur de x pour laquelle l'égalité
x? + 22 = 8,6x + 4 est vraie.
10
11
4) Il existe une autre valeur de r qui rend vraie l'égalité ? + 22 = 8,6 x + 4. Trouver cette valeur.​

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Exercice 3 A
1
8,6 x x + 4
On se propose d'utiliser le tableur pour tester si l'égal...
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