SVp aidez moi Calculer en détaillants les calculs: A = 3 – 5 × 4 B = 3 – 4 × 7 C = 6 × ( - 3 ) + 12 D = -8 + (-3) – 2 × 4 E = 15 – 45 ÷ ( -9 ) F = -7 × 5 + 18 ÷
Mathématiques
aichamabrouk
Question
SVp aidez moi
Calculer en détaillants les calculs:
A = 3 – 5 × 4
B = 3 – 4 × 7
C = 6 × ( - 3 ) + 12
D = -8 + (-3) – 2 × 4
E = 15 – 45 ÷ ( -9 )
F = -7 × 5 + 18 ÷ 3 – 10
G = ( 15 – 6 ) ÷ ( 3 – 10 )
H = 25 × ( - 8 + 6 × 5 )
I = - 49 ÷ 14 – 6 × 2 + 3
Calculer en détaillants les calculs:
A = 3 – 5 × 4
B = 3 – 4 × 7
C = 6 × ( - 3 ) + 12
D = -8 + (-3) – 2 × 4
E = 15 – 45 ÷ ( -9 )
F = -7 × 5 + 18 ÷ 3 – 10
G = ( 15 – 6 ) ÷ ( 3 – 10 )
H = 25 × ( - 8 + 6 × 5 )
I = - 49 ÷ 14 – 6 × 2 + 3
1 Réponse
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1. Réponse Teamce
Réponse:
Bonjour,
A = 3 - 5 x 4
A = 3 - 20
A = -17
B = 3 - 4 x 7
B = 3 - 28
B = -25
C = 6 x (-3) + 12
C = -18 + 12
C = -6
D = -8 + (-3) - 2 x 4
D = -8 - 3 - 8
D = -19
E = 15 - 45/(-9)
E = 15 - (-5)
E = 15 + 5
E = 20
F = -7 x 5 + 18/3 - 10
F = -35 + 18/3 - 10
F = -35 + 6 - 10
F = -39
G = (15 - 6)/(3 - 10)
G = 9/(-7)
H = 25 x (-8 + 6 x 5)
H = 25 x ( -8 + 30)
H = 25 x (22)
H = 550
I = -49/14 - 6 x 2 + 3
I = -3,5 - 6 x 2 + 3
I = -3,5 - 12 + 3
I = -12,5
→ priorité opératoire :
- On calcule d'abord les produits et les quotients et ensuite on calcule les sommes et les différences.
Bonne soirée.