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Sagot :

LOULAKAR

Réponse :

Explications étape par étape

bonjour,

x = 1.4 * 1.2 / 9

x = 1.68/9

x ≈ 0.187

x = 2.5 * 0.14 / 0.49

x ≈ 0.714

x = 2.7 * 14 / 6.6

x ≈ 5.727

x/10 = 10/x

x² = 100

x² - 100 = 0

x² - 10² = 0

(x - 10)(x + 10) = 0

x - 10 = 0 ou x + 10 = 0

x = 10 ou x = -10

x / 0.35 = 5.2

x = 5.2 * 0.35

x = 1.82

0.26 / x = 5.2

x = 0.26/5.2

x = 0.05

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