January 2021 0 68 Report
bonsoir a tous de l'aide svp c'est pour demain 8h merci. Simplifier puis calculer les produits. A= 25/21 x 14/15; B= 21/ - 6 x - 9/56; C= 49/63 x - 9/ - 28; D = 18/15 x 75/-16; merci a vous
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