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Class No. 1 TOPIC: REASONS AND PROPORTIONS The video contains explanations of exercises on ratios and proportions set to the numerical domain, of exercises previously taken in old ENES. Until the official syllabus is known, we will remain with a tentative syllabus. Remember that you can write to me on any of my social networks to ask questions about the subject. I hope these classes are serving you and share them to reach more people. Facebook: / profe-gibran ... Instagram: https://www.instagram.com/giba_nikk/?... Tiktok: https://vm.tiktok.com/ZMeAYkpJG/ Telegram: https://t.me/joinchat/Q6lrag0hdhMyZmIx