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On this channel you will find all the topics of Logical Mathematical Skill, theory and practice. ALL TOPICS will be published with an average time of 45 minutes per video. You can find me at: INSTAGRAM: / juan_everth FACEBOOK: / juanmenesesrm On Instagram, the illustrated BOOKLET of the course is published in Full HD, where you will find all the topics with their respective theory and recommendations for you to take into account. On Facebook, I publish videos of random PROBLEMS and from time to time I do live broadcasts. This video was statement # 28 of random problems, also published on Facebook. Find the value of J: J = 8 / (1x3) - 16 (3x5) + 24 / (5x7) - 32 / (7 x 9) + ... 30 addends Thank you very much for watching the video, I hope it has helped clarify your doubts. Tags: series and summations rm Series mathematical reasoning Series solved problems Series with fractions Series and summations arithmetic