5 lines
		
	
	
		
			85 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			5 lines
		
	
	
		
			85 B
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| 
 | |
| $\displaystyle 2 \# E = \sum_{v \in V} d(v)$
 | |
| $2 \# E = \sum\limits_{v \in V} d(v)$
 | |
| 
 |