Результаты (
английский) 2:
[копия]Скопировано!
thus, following a given algorithm, developed and conducted in time from February 18 to March 15, 2019, the telecommunication educational project "Chemical erudite" for students of 5-11 grades, dedicated to the 185th anniversary of the birth of Dmitry Mendeleev, The International Year of the Periodic System of Chemical Elements and the 70th Anniversary of the Discovery of the First Diamonds in Yakutia
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