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30 dic 1974 anni - Стали создаваться учебники природоведения для 2-3 классов, одним из авторов издаваемых была Л.П. Чистова «Дневников наблюдений».

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ByАнна Панфилова

15 ott 2017

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30 dic 1974 anni

Adesso

~ 50 years ago

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