1003187101

SubArea: 
Absolute value
Level: 
C
Project ID: 
1003187101
Accepted: 
1
Clonable: 
0
Easy: 
0
Which of the following relations is correct for all x, y∈R?
|x+y|≤|x|+|y|
|x+y|=|x|+|y|
|x−y|<|x|−|y|
|x−y|=|x|−|y|