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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
October 1, 2025
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1 dic 1735 anni - 哥尼斯堡七桥问题 欧拉在研究它的时候开创了拓扑学 The Seven Bridges of Königsberg Problem When Euler studied it, he initiated the field of topology.

Aggiunto al nastro di tempo:

4 mesi fa
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Data:

1 dic 1735 anni
Adesso
~ 289 years ago