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.

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21
[veintiuno]

[二十一]

22
[veintidós]

[二十二]

23
[veintitrés]

[二十三]

24
[veinticuatro]

[二十四]

25
[veinticinco]

[二十五]

26
[veintiséis]

[二十六]

27
[veintisiete]

[二十七]

28
[veintiocho]

[二十八]

29
[veintinueve]

[二十九]

30
[treinta]

[三十]