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Calculez \(\sqrt{12}+\sqrt{8}-2\sqrt{2}+3\sqrt{3}\).
\(3\sqrt{2}+3\sqrt{3}\)
\(5\sqrt{6}\)
\(5\sqrt{3}\)
\(3\sqrt{5}\)
Calculez \((a^{1/5})^{-5}\).
\(\frac{1}{a}\)
\(-a\)
\(\frac{1}{a^{24/5}}\)
\(\frac{1}{a^{25}}\)
Calculez \((\sqrt{2}-\sqrt{3})\sqrt{6}\).
\(3\sqrt{2}-2\sqrt{3}\)
\(2\sqrt{3}-3\sqrt{2}\)
\(-\sqrt{6}\)
\(2\sqrt{2}-3\)
Ecrivez sans le symbole de valeur absolue l'expression \(||-2|-|-3||\).
\(5\)
\(-1\)
\(1\)
\(-5\)
Calculez \((-5)^0\).
\(0\)
n'existe pas
Calculez \(9^{-1/2}\).
\(\dfrac{1}{81}\)
\(\pm\dfrac{1}{3}\)
\(-3\)
\(\dfrac{1}{3}\)
Ecrivez sans le symbole de valeur absolue l'expression \(|5-23|\).
\(-18\)
\(18\)
\(23\)
Calculez le P.G.C.D. de 12 et 15.
\(180\)
\(60\)
\(3\)
\(30\)
Résolvez l'inéquation \(|x+5|\geq 2\).
\([-3;+\infty[\)
\([-7,-3]\)
\([-7,7]\)
\(]-\infty;-7]\cup [-3;+\infty[\)
Calculez \(3\sqrt{6}+2\sqrt{12}-\sqrt{24}+\sqrt{27}\).
\(5\sqrt{6}+7\sqrt{3}\)
\(8\sqrt{6}\)
\(5\sqrt{21}\)
\(\sqrt{6}+7\sqrt{3}\)
