Description:
Get the best service for abacus training from Mastermindabacus.com. The abacus is divided into two unequal portions by a horizontal crossbar perpendicular to the rods. Heaven beads are those that are above the crossbar, and earth beads are those that are below the crossbar. For more data, visit our site.
Contact Information
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Education
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canada,
Website:
abacus training
Business Email:
mastermindabacus0@gmail.com
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