Auto-Math
L'opposé de \( x-y+z\) est
\(-x-y-z\)
\(z-x+y\)
\(-x+y-z\)
\(\frac{1}{x-y+z}\)
Calculez \(\left( \dfrac{25}{16}\right)^{1/4}\).
\(\frac{6,25}{4}\)
\(\frac{16^{4}}{25^{4}}\)
\(\frac{\sqrt{5}}{2}\)
\((\frac{5}{4})^{9/4}\)
Calculez \((a^{2/3})^{3/4}\).
\(a^{17/12}\)
\(\sqrt{a}\)
\(a^{8/9}\)
\(\frac{1}{a^2}\)
Calculez \(\dfrac{21}{27}-\dfrac{4}{18}\).
\(\dfrac{17}{54}\)
\(\dfrac{17}{9}\)
\(\dfrac{5}{9}\)
\(\dfrac{8}{27}\)
Calculez le P.G.C.D. de 18 et 27.
\(54\)
\(9 \)
\(18\)
\(3\)
Calculez \(10^4 \cdot 10^{-2}\).
0,00000001
10000
0,01
100
Ecrivez l'expression \(\dfrac{1}{a^2\sqrt[3]{a}}\) sous forme de puissance.
\(a^{3/7}\)
\(a^{-2/3}\)
\(a^{-7/3}\)
\(-a^{7/3}\)
Calculez \(\dfrac{5}{30}-\dfrac{2}{45}+\dfrac{11}{75}\).
\(\dfrac{121}{450}\)
\(\dfrac{7}{30}\)
\(\dfrac{7}{225}\)
\(\dfrac{29}{75}\)
Calculez \(\sqrt[4]{10}\sqrt[12]{10}\sqrt[3]{15}\).
\(\sqrt[3]{150}\)
\(\sqrt[19]{1500}\)
\(\sqrt[19]{5}\sqrt[16]{2}\)
\(15\sqrt{15}\cdot 10^8\)
Ecrivez l'expression \(a^2\cdot a^{-4}\) avec des exposants positifs.
\(\frac{1}{a^{2}}\)
\(\frac{1}{a^{8}}\)
\(\frac{1}{a^{6}}\)
\(a^{2}\)
