Auto-Math
Donnez une expression plus simple de a-b+(2-a)-(a-b).
\(2-a-2b\)
\(a-2\)
\(2-a\)
\(0\)
Calculez \(10^4 \cdot 10^{-2}\).
0,00000001
10000
0,01
100
Calculez \(25^{0.5}\).
\(5\)
\(\pm 5\)
\(\sqrt[5]{2}\sqrt[3]{a^2}\)
\(\frac{1}{25^{2}}\)
Simplifiez la fraction \(\dfrac{5x-5a}{3a-3x}\).
impossible
\(\dfrac{0}{0}\)
\(\dfrac{5}{3}\)
\(-\dfrac{5}{3}\)
Calculez \(\dfrac{21}{27}-\dfrac{4}{18}\).
\(\dfrac{17}{54}\)
\(\dfrac{17}{9}\)
\(\dfrac{5}{9}\)
\(\dfrac{8}{27}\)
Donnez une expression plus simple de (a-b)-(a+b-2)-(a-b).
\(2-a-3b\)
\(-a-b-2\)
\(a+b-2\)
\(2-a-b\)
Résolvez l'inéquation \(|x-5|<2\).
\([3,7]\)
\(]-\infty;7[\)
\(]-\infty;-3[\)
\(]3,7[\)
Calculez \(\dfrac{11}{12}-\dfrac{4}{15}\).
\(-\dfrac{7}{3}\)
\(\dfrac{13}{20}\)
\(\dfrac{7}{60}\)
\(\dfrac{2}{3}\)
Calculez \(\dfrac{3\sqrt{2}+\sqrt{3}}{\sqrt{6}}\).
\(\dfrac{8\sqrt{3}+\sqrt{6}}{6}\)
\(\dfrac{\sqrt{8}}{2}+\dfrac{1}{2}\)
\(\sqrt{3}+\dfrac{\sqrt{2}}{2}\)
\(2\sqrt{2}\)
Ecrivez sans le symbole de valeur absolue l'expression \(|x+1|\) si \(x<-1\).
\(-x-1\)
\(x+1\)
\(x-1\)
\(-1\)
