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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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1 янв 1789 г. - French Revolution: schools for the middle class introduced and mathematicians were expected to teach. Created a demand for rigor

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1 янв 1789 г.
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~ 235 г назад