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Publié le
par
François Montagne
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On dit que l'abscisse de b est -4 , on la note b(-4) / On dit que l'abscisse de a est 2 , on la note a(2)
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On obtient l'opposé d'un nombre en changeant son signe.
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Représentation des nombres relatifs sur la droite graduée :
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Repère orthogonal et exemple de notation :
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#abscisse #ordonnée
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