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)
City:
Basel
5th European Championship in Mental Calculation for Students (9 to 19 years)
Basel - Switzerland
20 - 23 May 2020
https://mittring-calculation.jimdofree.com/
Members worldwide
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