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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​

Sagot :

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.

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