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Calculez \(\sqrt[3]{-125}\).
\(\frac{1}{5}\)
impossible
\(-\frac{1}{125^{3}}\)
\(-5\)
Ecrivez sans le symbole de valeur absolue l'expression \(|x-2|\) si \(x<2\).
\(2\)
\(x-2\)
\(2-x\)
Résolvez l'inéquation \(|x+5|\geq 2\).
\([-3;+\infty[\)
\([-7,-3]\)
\([-7,7]\)
\(]-\infty;-7]\cup [-3;+\infty[\)
Calculez \((\sqrt{2}-\sqrt{3})\sqrt{6}\).
\(3\sqrt{2}-2\sqrt{3}\)
\(2\sqrt{3}-3\sqrt{2}\)
\(-\sqrt{6}\)
\(2\sqrt{2}-3\)
Calculez \(36^{5/2}\).
\(\pm 36^{5}\)
\(\frac{1}{\sqrt[5]{36^{2}}}\)
\(6^5\)
Ecrivez sans le symbole de valeur absolue l'expression \(|x^2+1|\).
\(-x^2-1\)
\(x^2+1\)
\(x^2-1\)
\(1-x^2\)
Calculez le P.G.C.D. de 12 et 18.
\(3\)
\(216\)
\(36\)
\(6\)
Ecrivez sans le symbole de valeur absolue l'expression \(|5-23|\).
\(-18\)
\(18\)
\(5\)
\(23\)
Calculez \(\dfrac{5}{30}-\dfrac{2}{45}+\dfrac{11}{75}\).
\(\dfrac{121}{450}\)
\(\dfrac{7}{30}\)
\(\dfrac{7}{225}\)
\(\dfrac{29}{75}\)
Calculez \((1+\sqrt{3})(\sqrt{2}+1)\).
\(1+\sqrt{11}\)
\(2+\sqrt{6}\)
\(\sqrt{2}+1+\sqrt{6}+\sqrt{3}\)
\(\sqrt{2}+1+\sqrt{5}+\sqrt{3}\)
