Exercice 2 (4 points) Voici un programme de calcul : Choisir un nombre; Ajouter - 4; Multiplier ensuite par 3 ; soustraire 12; 1 Quel nombre obtient-on lorsque l'on prend - 2 au départ ? 9 au départ ?​

By: USER2428
27 Agustus 2025 mathematiques 5 minutes
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Grade: Education Subject: mathematiques
Exercice 2 (4 points) Voici un programme de calcul : Choisir un nombre; Ajouter - 4; Multiplier ensuite par 3 ; soustraire 12; 1 Quel nombre obtient-on lorsque l'on prend - 2 au départ ? 9 au départ ?​
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Answer (201)

Best Answer
(298)

bonsoir

x

x - 4

3 ( x - 4 ) = 3 x - 12

3 x - 12  - 12

= 3 x - 24

avec - 2

- 2

- 2 - 4 = - 6

- 6 * 3 = - 18

- 18 - 12 = - 30

avec  9

9+9 - 4 = 5

5 * 3 = 15

15 - 12 = 3

Answered on 27 Agustus 2025
(100)

1)Pour -2

(-2-4)×3-12=-30

2)Pour 9

(9-4)×3-12=3

Answered on 27 Agustus 2025

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