, 30 2020 . 22:02
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https://www.youtube.com/watch?v=xOURwcxfyTk , 15:00!!! :
https://youtu.be/Ag7TzaunLcQ , ,
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http://brightmagazine.ru/math-2/- !!!!!
https://www.youtube.com/watch?v=iolTIjpQtcc&t=622s-, , :
https://www.youtube.com/watch?v=VpdMNxXUiS4 , `` '':
https://www.youtube.com/watch?v=4MvhP2zKozI !!!!
https://youtu.be/UlM1SUr18HU2. , :
, :
https://www.youtube.com/watch?v=1NgNhZ_3ivE-- !!!!!!!!!! 21 :
https://www.youtube.com/watch?v=zaGWKiXbIow :
https://www.youtube.com/watch?v=REjGmc3Lmqo :
https://www.youtube.com/watch?v=lcEBipod6X4 :
https://www.youtube.com/watch?v=smN_hJuUTrM , :
https://www.youtube.com/watch?v=QTcmF5oqJOM + :
https://www.youtube.com/watch?v=4ttNyeqLdHY https://savvateev.livejournal.com/297986.html
