Aidez moi ; (expression littérale) (x X y) X4 = ? (5 X a) X (3 X x) =? (a-3) X (7Xx) =? 7X (a X b X c) =? 6X (x X y) =? 5X(4+x) =? X c'est Fois Merci
Mathématiques
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Question
Aidez moi ; (expression littérale)
(x X y) X4 = ?
(5 X a) X (3 X x) =?
(a-3) X (7Xx) =?
7X (a X b X c) =?
6X (x X y) =?
5X(4+x) =?
X c'est Fois Merci
(x X y) X4 = ?
(5 X a) X (3 X x) =?
(a-3) X (7Xx) =?
7X (a X b X c) =?
6X (x X y) =?
5X(4+x) =?
X c'est Fois Merci
1 Réponse
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1. Réponse maudmarine
(x X y) X4 = (xy) * 4 = 4xy
(5 X a) X (3 X x) = 5a * 3x = 15ax
(a-3) X (7Xx) = 7a + ax - 21 - 3x
7X (a X b X c) = 7 * (abc) = 7abc
6X (x X y) = 6 * (xy = 6xy
5X(4+x) = 20 + 5x = 5x + 20