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Indian Abacus competition
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Soroban EN
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Impossible Challenge: Teenagers mentally calculate 100 3-digit numbers in seconds
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Abacus Demo at Advance level by Ritwik Sinha ! Watch the effort !!
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World champion in mental calculation 🏆
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#superclever #superznalac #mentalarithmetic #franchise #abacuslearning #math #mostar
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Finger Abacus is a mental calculation method that uses fingers to mimic an Abacus for counting
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ABACUS Level 2 | Addition & Subtraction Video | Saksham Abacus Academy #maths #school #kids #shorts
