Question

Cum se calculeaza partea intreaga a lui 10√5?

Answer 1

$\it 4,84<5<5,29 \Rightarrow \sqrt{4,84}<\sqrt5<\sqrt{5,29} \Rightarrow 2,2<\sqrt5<2,3|_{\cdot10} \Rightarrow \\ \\ \Rightarrow22<10 [\sqrt5]=23 \Rightarrow [10\sqrt5]=22$