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Evaasia
@Evaasia
April 2019
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Bonjour est ce que quelqu'un pourrait m'aider pour un exercice svp :
La consigne est de donner la valeur décimal de A = 3 racine carrée de 72 - 5 racine carrée de 2
Et B= 3 racine carrée de 2 - racine carrée de 98
Merci beaucoup d'avance !
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winner123
Verified answer
A = 3 √72 - 5 √2
a = 3 √2*6² - 5 √2
a = 18 √2 - 5 √2 = 13√2 ≈ 13.384
b = 3√2 - √98
b = 3 √2 - ·√2 * 7²
b = 3 √2 - 7√2
b = - 4√2 ≈ - 5.65
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evaasia
February 2021 | 0 Respostas
Svp urgent On considère un cube d'arête 7m. 1) a) Calculer l'aire totale de ce cube. b) Calculer le volume de ce cube. 2) On realise un agrandissement de rapport 2, 5 de ce cube. On obtient ainsi un grand cube a) Calculer l'aire totale duv grand cube B) Calculer le volume du grand cube Merci d'avance
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Verified answer
A = 3 √72 - 5 √2a = 3 √2*6² - 5 √2
a = 18 √2 - 5 √2 = 13√2 ≈ 13.384
b = 3√2 - √98
b = 3 √2 - ·√2 * 7²
b = 3 √2 - 7√2
b = - 4√2 ≈ - 5.65