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Sagot :

SVANT

Réponse :

Bonjour

Exercice 3

A = 2×(x+3)

A= 2×x + 2×3

A = 2x + 6

B = 2,5×(4-y)

B = 2,5×4 - 2,5×y

B = 10 - 2,5y

C = (6 + 2t)×4

C = 6×4 + 2t×4

C = 24 + 8t

D = 3,2(b-10)

D = 3,2×b - 3,2×10

D = 3,2b - 32

Exercice 4

E = 2 × a + 2 × b

E = 2(a + b)

F = 3,5 × x − y × 3,5

F = 3,5( x - y )

G = 7b − ab

G = 7×b − a×b

G = b(7 - a)

H = 12 + 6b

H = 6×2 + 6×b

H = 6(2 + b)

OUMLAYTH

Réponse :

Explications étape par étape

Bonjour

Exercice 3

A = 2×(x+3)

A= 2×x + 2×3

A = 2x + 6

B = 2,5×(4-y)

B = 2,5×4 - 2,5×y

B = 10 - 2,5y

C = (6 + 2t)×4

C = 6×4 + 2t×4

C = 24 + 8t

D = 3,2(b-10)

D = 3,2×b - 3,2×10

D = 3,2b - 32

Exercice 4

E = 2 × a + 2 × b

E = 2(a + b)

F = 3,5 × x − y × 3,5

F = 3,5( x - y )

G = 7b − ab

G = 7×b − a×b

G = b(7 - a)

H = 12 + 6b

H = 6×2 + 6×b

H = 6(2 + b)

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