Les égalités suivantes sont-elles vraies ? tte a. (a + b)2 = a2 + b2 b. x2 = 2x
c. 5 + 3x = 8x
d. 3x + x = 4x
e. 3x x 2x = 6.x2 f. 2y2 = (2 y)2
Aidez moi svp merci
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