数字Most languages have number systems, and these can vary quite a bit. Scroll down to discover and learn interesting number systems from all around the world.

大多数语言都有数字系统，这些系统可能会有很大差异。向下滚动以发现和学习来自世界各地的有趣数字系统。

21
[eenentwintig]

22
[tweeëntwintig]

23
[drieëntwintig]

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[vierentwintig]

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[vijfentwintig]

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[zesentwintig]

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[zevenentwintig]

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[achtentwintig]

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[negenentwintig]

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[dertig]