DEVOIR A LA Exercice 1 : Compléter les égalités suivantes :
a) ( ...... + 5)² = 64x2 + ...... +
...
b) (......-.
... )² = ...... - 30x + 9
c) ( 6x - ...... )² = ...... - 24x + ....


bonsoir vous pourrez m" aider svp ?​
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