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Visit the link below for more information. http://www.abellna.com This video is about one of the basic principles used in mental math computations. Though sim...
At Maths Wizard we offer kids a complete advanced abacus and Mental training program that helps build your child’s whole brain development, self-confidence, c...
Visit the link below for more information. http://www.abellna.com This video depicts comparisons between standard math learned in school versus mental math in...
Visit the link below for more information. http://www.abellna.com Welcome our Mental Math Channel. Please check back on our channel for more mental math or r...
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CAAA is a non-profit organization dedicated to the promotion of abacus culture and education in the community. With headquarters based in the heart of the Silic...
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