Ïðåçåíòàöèÿ ïî ãåîãðàôèè íà òåìó _Ãåîãðàôè÷åñêèå îñîáåííîñòè ãåîãðàôè÷åñêîãî ðàéîíà Ñèáèðü_ (9 êëàññ).pptx
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