Basic Mathematics - Class 24 - Ratio and Proportion (part 1) - Professor Ferretto - World Latest Movie, Series, Videos and Trailers | fetery.com

Basic Mathematics - Class 24 - Ratio and Proportion (part 1)

2,414,337 views

Professor Ferretto

Published on Apr 11, 2014

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Subscribe to the channel, new classes are posted weekly so you can stay up to date with everything that happens there. OPPORTUNITY KNOWLEDGE APPROVAL _ Class on ratio and proportion, very popular in Enem, entrance exams and public exams. _ SUBSCRIBE: / professorferretto

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