Level:
Project ID:
1003187401
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
Give the solution set of the equation \( \left| |x-1|-|3-x| \right|=2 \).
\( (-\infty,1]\cup[3,+\infty) \)
\( (-\infty,1)\cup(3,+\infty) \)
\( \mathbb{R} \)
\( (1,3) \)