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World champion in mental calculation 🏆
Impossible Challenge: Teenagers mentally calculate 100 3-digit numbers in seconds
#superclever #superznalac #mentalarithmetic #franchise #abacuslearning #math #mostar
#superclever #superznalac #mentalarithmetic #math #franchise #abacuslearning #abacus #education
😱Intense mathematics skills competition.
Abacus Rules - Part - 1.1
Superclever/SUPERZNALAC 575
Genius IQ Test math puzzle🔥