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。

71
[七十一]
[Shichijūichi]

72
[七十二]
[Shichijūni]

73
[七十三]
[Nanajūsan]

74
[七十四]
[Nanajūyon]

75
[七十五]
[Shichijūgo]

76
[七十六]
[Nanajūroku]

77
[七十七]
[Nanajūnana]

78
[七十八]
[Nanajūhachi]

79
[七十九]
[nanajūkyū]

80
[八十]
[Yaso]