Question

Dintre numerele 9. 4 radical 5 . 2 radical 21 . 5 radical 3 cel mai mare este :

Answer 1

$9=\sqrt{81}$
$4\sqrt{5}=\sqrt{80}$
$2\sqrt{21}=\sqrt{84}$
$5\sqrt{3}=\sqrt{75}$
$Cel~mai~mare~este~\sqrt{84}=2\sqrt{21}$