3×X×7 2X+3-5X (2X-3)-(3X+5) (-9X)(-X)
Mathématiques
laurinefl
Question
3×X×7
2X+3-5X
(2X-3)-(3X+5)
(-9X)(-X)
2X+3-5X
(2X-3)-(3X+5)
(-9X)(-X)
1 Réponse
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1. Réponse cissefade
3xX×7=(3×7×X)=(21×X)=21X