Question

Calculeaza: [radical din 1] +[ radical din 2] + [radical din 3] + [radical din 4]

Answer 1

$[\sqrt{1}]=[1]=1$
$[\sqrt{2}]=1,~pentru~ca~1\ \textless \ \sqrt{2}\ \textless \ 2$
$[\sqrt{3}]=1,~pentru~ca~1\ \textless \ \sqrt{3}\ \textless \ 2$
$[\sqrt{4}]=[2]=2$

$S=1+1+1+2=5.$