Assertion: mesoamerican abacus | /r/CapableOf | use a 5-digit base-20 system
Facets:
Source sentences:
text: This Mesoamerican abacus used a 5-digit base-20 system.
text: This Mesoamerican abacus used a 5-digit base-20 system.
text: This Mesoamerican abacus used a 5-digit base-20 system.
text: This Mesoamerican abacus used a 5-digit base-20 system.
text: This Mesoamerican abacus used a 5-digit base-20 system.
text: This Mesoamerican abacus used a 5-digit base-20 system.
text: This Mesoamerican abacus used a 5-digit base-20 system.