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|5| = 5 |-5 |= 5 |0| = 0 |x| = 2 x = −2 x = 2 |x|< 2 − 2< x < 2 x (−2, 2 ) |x|> 2 x< −2 o x>2 (−∞ , −2) ∪ (2, +∞)
 
 8 sept. 2021

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