Réponse :
bonjour
C = - 3 : 4/5
C = - 3 * 5/4
C = - 15/4
D = - 25 /6 * 4/5
d = - 100/30 = - 10/3
E = - 8/7 x - 3/4 : 9/16
E = - 8/7 * -3/4 * 16/9
E= - 8/7 * - 48/144
E = - 8/7 - 1/3
E = - 24/21 - 7/21
E = - 31/21
F = 12/5 - 24/5 * - 15/16
F= 12/5 - 360/80
F = 12/5 - 9/2
F = 24/10 - 45/10 = - 21/10
Explications étape par étape
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Réponse :
bonjour
C = - 3 : 4/5
C = - 3 * 5/4
C = - 15/4
D = - 25 /6 * 4/5
d = - 100/30 = - 10/3
E = - 8/7 x - 3/4 : 9/16
E = - 8/7 * -3/4 * 16/9
E= - 8/7 * - 48/144
E = - 8/7 - 1/3
E = - 24/21 - 7/21
E = - 31/21
F = 12/5 - 24/5 * - 15/16
F= 12/5 - 360/80
F = 12/5 - 9/2
F = 24/10 - 45/10 = - 21/10
Explications étape par étape