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dec 6, 1997 - В стандарте в базисный учебный план был введен образовательный компонент «Окружающий мир», состоящий из 2 образовательных областей: естествознание и обществознание.
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Анна Панфилова
15 Oct 2017
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dec 6, 1997
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~ 27 years ago
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