5th European Championship in Mental Calculation for Students (9 to 19 years)

Date: 
20.05.2020 (All day)
21.05.2020 (All day)
22.05.2020 (All day)
23.05.2020 (All day)
Cité: 
Basel

5th European Championship in Mental Calculation for Students (9 to 19 years)

Basel - Switzerland
20 - 23 May 2020
https://mittring-calculation.jimdofree.com/