1003055605

SubArea: 
Logic and sets
Level: 
B
Project ID: 
1003055605
Accepted: 
1
Clonable: 
0
Easy: 
1
Which of the following expressions is a proposition?
\( 5^2=25 \)
\( 10^2 \)
\( (a-b)^2 - (a+b)^2 \)
Is it raining today?