As early as in the 14th century, China invented the abacus. Each bead above the abacus represents______ Each bead below represents______ ．

As early as in the 14th century, China invented the abacus. Each bead above the abacus represents______ Each bead below represents______ ．

As early as the 14th century, China invented the abacus. Each bead above the abacus represents 5, and each bead below represents 1

Elden Ring Premiere

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