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Subscribe: http://bit.ly/1oCaVNv Combinations and Variations Level 2: • Variations Combinations Permutation... Combinations and Variations Level 2B: • Variations Combinations Permutation... Permutation with repetition: • Video Combinations and Variations Level 3: • Variations Combinations Permutation... Homework and solution: http://matemovil.com/?p=347 Law of multiplication and addition: • Video Today we are going to review the solved exercises of combinatorial analysis, a complicated subject for some, so we are going to review it very calmly, so that you do not have any problems in the exams. It is very important to be clear about the subject before entering the subject of probabilities. In level 1, we will review 3 very simple exercises to understand the use of variations, combinations, and permutations. At level 2, things get more complicated, and we review 3 more problems, applying combinations, variations and the principle of addition and multiplication. At level 3, there are 2 more problems, in which 2 more complicated problems come. That was all for now, I will return with new topics next week. Greetings and good luck! Do you need help with a topic? Sponsor a session!: http://matemovil.com/?p=245