Cvičení 1: https://docs.google.com/spreadsheets/d/1y8aQ40V7MEHU0Rf2hGSEYdsal1i0kAgrKIpfN47T0BQ/edit?usp=sharin g Cvičení 2: https://docs.google.com/spreadsheets/d/1sBKvm-xB6_e0f_6-8W9cyYnHGO2mAyy5BObVBdy92IE/edit?usp=sharin g