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mellitsmee
@mellitsmee
May 2023
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Merci de bien vouloir m’aider svp c’est pour demain:
Exercice 1: Réduis les expressions :
(Sur la photo)
Exercice 2: Complète :
(Sur la photo)
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eleonoreags
Bonsoir
Exercice 1 :
A=12a+15a-10a
A=17a
B=7x+x-6x
B=2x
C=2b+3-b-2
C=b+1
D=54+18y-9-18y
D=45
Exercice 2 :
18a+7a=25a
15y-4y=11y
2x X 7x=14x2 (x au carré)
3y X 6y2 (au carré) =18y3 (y au cube)
Les (au carré) ou (au cube) signifient que il faut rajouter un petit 2 ou un petit 3 au dessus du chiffre
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Exercice 1 :
A=12a+15a-10a
A=17a
B=7x+x-6x
B=2x
C=2b+3-b-2
C=b+1
D=54+18y-9-18y
D=45
Exercice 2 :
18a+7a=25a
15y-4y=11y
2x X 7x=14x2 (x au carré)
3y X 6y2 (au carré) =18y3 (y au cube)
Les (au carré) ou (au cube) signifient que il faut rajouter un petit 2 ou un petit 3 au dessus du chiffre