How Did People Express Numbers?
2025年8月 · GM Kids Series 576 第 259 冊 · GOS Education Inc.
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When things come in pairs, we can tell they match evenly without counting.
For example, imagine a table of ten. We can quickly spot who has not been served yet.
This pairing method is convenient because it does not require the concept of "number."
But early humans felt the need to record quantities, so they made symbols on sticks, animal bones, and clay tablets.
When things come in pairs, we can tell they match evenly without counting.
For example, imagine a table of ten. We can quickly spot who has not been served yet.
This pairing method is convenient because it does not require the concept of "number."
But early humans felt the need to record quantiti...
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