Question

Rezolvarea la ( √45 - √20 ): √5=
Vă rog

Answer 1

( √45 - √20 ): √5=
=( 3√5 - 2√5 ): √5=
=√5 : √5= 1

Answer 2

$( \sqrt{45}- \sqrt{20}): \sqrt{5}=\frac{ \sqrt{45}}{ \sqrt{5} } - \frac{ \sqrt{20}}{ \sqrt{5} } = \sqrt{9} - \sqrt{4}= 3-2=1$