Звук и буква С- видео урок
Натиснете върху https://www.bing.com/videos/riverview/relatedvideo?q=%D0%B0%D0%BA%D0%B0%D0%B4%D0%B5%D0%BC%D0%B8%D0%BA%D0%BE+1+%D0%BA%D0%BB%D0%B0%D1%81+%D0%B1%D1%8A%D0%BB%D0%B3%D0%B0%D1%80%D1%81%D0%BA%D0%B8+%D0%B5%D0%B7%D0%B8%D0%BA+%D0%B1%D1%83%D0%BA%D0%B2%D0%B0+%D1%81&mid=292F39C7773772412DEB292F39, за да отворите ресурса.