$\sqrt{8}=\sqrt{4\cdot 2}=\sqrt{4}\cdot \sqrt{2}=2\cdot \sqrt{2}=2\sqrt{2}$  

$\sqrt{20}=\sqrt{4\cdot 5}=\sqrt{4}\cdot \sqrt{5}=2\cdot \sqrt{5}=2\sqrt{5}$  

$\sqrt{32}=\sqrt{16\cdot 2}=\sqrt{16}\cdot \sqrt{2}=4\cdot \sqrt{2}=4\sqrt{2}$  

$\sqrt{40}=\sqrt{4\cdot 10}=\sqrt{4}\cdot \sqrt{10}=2\cdot \sqrt{10}=2\sqrt{10}$  

$\sqrt{45}=\sqrt{9\cdot 5}=\sqrt{9}\cdot \sqrt{5}=3\cdot \sqrt{5}=3\sqrt{5}$  

$\sqrt{52}=\sqrt{4\cdot 13}=\sqrt{4}\cdot \sqrt{13}=2\cdot \sqrt{13}=2\sqrt{13}$  

 

$\sqrt{8}$	$\sqrt{20}$	$\sqrt{32}$	$\sqrt{40}$	$\sqrt{45}$	$\sqrt{52}$
$2\sqrt{2}$	$2\sqrt{5}$	$4\sqrt{2}$	$2\sqrt{10}$	$3\sqrt{5}$	$2\sqrt{13}$
L	E	G	I	O	N

 

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