Открытое занятие. Полянкин Р.П. учитель физики МБОУ “Вавожская СОШ“. Наставник Морарь Л.В учитель физики МАОУ Гимназия 56“
Автор: Полянкин Роман Петрович, учитель физики МБОУ “Вавожская СОШ“.
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