Online abacus class Secrets

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I'm a Licensed Abacus Trainer having classes for 4yrs to 14 yrs since 2004.It is always a pleasure for me to interact with the young and energetic new technology Little ones and share the magic of maths. If somebody can estimate with the abacus slide rule, They may be more http://connor3a09lzm4.blog-gold.com/profile


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