Auto-Math
Ecrivez l'expression \(a\sqrt a\) sous forme de puissance.
\(a^{1/2}\)
\(a^{3/2}\)
\(3a^{1/2}\)
\(a^{2/3}\)
Calculez \((a^{1/5})^{-5}\).
\(\frac{1}{a}\)
\(-a\)
\(\frac{1}{a^{24/5}}\)
\(\frac{1}{a^{25}}\)
Calculez \(\dfrac{7}{12}+\dfrac{5}{18}\).
\(1\)
\(\dfrac{1}{3}\)
\(\dfrac{31}{36}\)
\(\dfrac{2}{5}\)
Ecrivez sans valeur absolue \(|x-3|\le 1\).
\([2,4]\)
\([1,3]\)
\(]-\infty;4]\)
\([-2,2]\)
Simplifiez l'expression \(\dfrac{98}{-49}\).
impossible
\(-\dfrac{1}{2}\)
\(49\)
\(-2\)
Calculez \(\sqrt{12}+\sqrt{8}-2\sqrt{2}+3\sqrt{3}\).
\(3\sqrt{2}+3\sqrt{3}\)
\(5\sqrt{6}\)
\(5\sqrt{3}\)
\(3\sqrt{5}\)
L'opposé de \( x-y+z\) est
\(-x-y-z\)
\(z-x+y\)
\(-x+y-z\)
\(\frac{1}{x-y+z}\)
Simplifiez la fraction \( \dfrac{2a^2-2b^2}{3b+3a} \).
\(\dfrac{1}{3}(a-b)\)
\(\dfrac{2}{3}(a-b)\)
\(3\)
Calculez \(\dfrac{5}{2}-\left( \dfrac{1}{3}+1\right)\).
\(\dfrac{7}{6}\)
\(-\dfrac{3}{2}\)
\(\dfrac{19}{6}\)
\(\dfrac{14}{6}\)
Donnez une expression plus simple de -(x+y)-(2-x)-(3-y).
\(5\)
\(-5-2x\)
\(-5-2y\)
\(-5\)
