Auto-Math
Le carré de l'opposé de 0,6 est
\(0,12\)
\(3,6\)
\(-0,36\)
\(0,36\)
Résolvez l'inéquation \(|x-5|<2\).
\([3,7]\)
\(]-\infty;7[\)
\(]-\infty;-3[\)
\(]3,7[\)
L'opposé de \(x+y-1\) est
\(-x-y+1\)
\(-x+y-1\)
\(-x-y-1\)
\(\frac{1}{x+y-1}\)
Calculez \(\displaystyle{ \frac{\sqrt{48}\sqrt{15}\sqrt{6}}{\sqrt{10}\sqrt{20}}}\).
\(\dfrac{6\sqrt{3}}{\sqrt{5}}\)
\(\dfrac{4\sqrt{3}}{\sqrt{5}}\)
\(\dfrac{\sqrt{23}}{\sqrt{10}}\)
\(12\)
Calculez \(9^{-1/2}\).
\(\dfrac{1}{81}\)
\(\pm\dfrac{1}{3}\)
\(-3\)
\(\dfrac{1}{3}\)
Simplifiez l'expression \(a^2(a^{-3} + a^{-2})\).
\(\frac{1}{a^6}+\frac{1}{a^4}\)
\(1+\frac{1}{a}\)
\(\frac{1}{a}\)
\(\frac{1}{a^{10}}\)
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 le P.P.C.M. de 12 et 18.
\(6\)
\(216\)
\(36\)
impossible
Résolvez l'équation \(|2x-5|=3\).
\(1 \mbox{ et } 4\)
\(-1 \mbox{ et } -4\)
\(4\)
\(-1\)
Elevez au carré \(\sqrt{2}-\sqrt{3}\).
\(5-2\sqrt{6}\)
\(5-\sqrt{6}\)
\(1\)
