Bonjour j'ai besoin d'aide pour un exercice merci d'avance

Resous mentalement chaque équation

A. x²= 9 c. x² = 36


b. x²= -5 d. x² = 121


e. x² -1 = 0 f. x²-16 = 0


g. x²-49 = 0 h. x² -81 = 0



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