9000063405

Podoblast: 
Část: 
Project ID: 
9000063405
Source Problem: 
Accepted: 
1
Clonable: 
1
Easy: 
0
Výraz \(-\frac{2} {3} + \frac{1} {6} -\frac{2} {6} + \frac{1} {12} - \frac{2} {12} + \frac{1} {24}+\cdots \) je roven:
\(- 1\)
\(-\frac{4} {3}\)
\(\frac{1} {3}\)
\(\frac{3} {2}\)