@emma4256

emma4256

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Aider moi svp j’ai besoin d’aide 1) Développer puis réduire : A = 3 (x +2); B = (-7) (6-2t) ; C = 5 (4a - 2); D = Z (22 - 4); E = 7t (5 -2t); F = a (2-a) G = 5t (4 + 2t); H = 5 (3-2w); I = (-2t) (4 – 5t); J = 7a (9-8a); K = -6 (3 +4a)
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J’ai besoin d’aide svp Exercice 1: Supprimer les parenthèses : A = 1 + (2 - x) B = (2x - 4) + (5x - 6) C = 3x + (4 - 7x) D = (7-3x) + (4 - 5x) E = 5 + (2t + 3) F = 5t - (3 – 4t) G = (t - 4) - 6 H = - (-3-1) + (e - 3) I = (4t +2) + (-6t - 2) J = 8a - (5a + 2) + (3 - 4a) K = (x + 3) + (2x - 4) L = -(8a + 3) -5a M = (3u + 7) + (-54 + 3) N = 5w - 6 - (7 - 2w) +4w P = (3-42) - (-22 + 8) Q = 4d + (5-70) R = -(x + 4) + (-2x - 2) S = 9+ (-22 + 8) T = 4 + 6f - (-f + 7) U = 322 - (z + 2) + (4z2-5)
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