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Sagot :

Réponse:

Bonsoir

A= 3(x+6)

A= 3×x+3×6

A= 3x + 18

B= -8(-5-3y)

B= -8×(-5)-8×(-3y)

B= 40+24y

C= (9-3t)×4t

C= 9×4t-3t×4t

C= 36x-12t2

D= 3x-5+5(2x-3)

D= 3x-5+10x-15

D= 13x-20

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