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29 Sept 1991 Jahr - Учитель имел право выбрать любой из трех учебников по своему усмотрению.
Zugefügt zum Band der Zeit:
Становление школьного курса информатики. Ключевые даты
By
Артём Дмитриев
18 Feb 2020
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0
265
Datum:
29 Sept 1991 Jahr
Jetzt
~ 34 years ago
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