Final answer:
In Roman coinage, 'triens','semis' and 'sextans' were coins representing fractions of the 'as', the main unit of currency, with 'triens' being worth a third, 'semis' half, and 'sextans' a sixth.
Step-by-step explanation:
The terms 'triens','semis' and 'sextans' refer to specific Roman coins. In ancient Roman currency, which underwent several changes over centuries, these terms represented fractions of the 'as', the primary unit of currency. 'Triens' signified a coin worth one-third of an 'as', 'semis' was worth half, and 'sextans' was worth one-sixth. The use of these coins speaks to the highly developed economy of ancient Rome, emphasizing their advanced understanding of economics and trade.
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