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
[vinte e um]

[二十一]

22
[vinte e dois]

[二十二]

23
[vinte e três]

[二十三]

24
[vinte e quatro]

[二十四]

25
[vinte e cinco]

[二十五]

26
[vinte e seis]

[二十六]

27
[vinte e sete]

[二十七]

28
[vinte e oito]

[二十八]

29
[vinte e nove]

[二十九]

30
[trinta]

[三十]