bonjour tout le monde
Recopier chaque égalité en la complétant :
A) 6x au carré - 5x = .......x x-.....x x = ( .....-......)x x
B) 49y au carré + 14y = 7y x ........+ 7y x .........= 7y (........+........)
C) 9n au carré - 6n = 3n x ........- .........x ............= 3n (......-........)
D) 8t au carré + 6t +2 = 2x .........+ 2 x ..........+ 2 x ...........= 2 x (......)
merci pour votre aide !!!!!
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