Lemma
MediumPermutations & combinations
AQuA-RAT train #2204 · Combinatorics · Permutations & combinations

Nine highschool teachers gather at allocacting the subject, Three subject of 3…

Nine highschool teachers gather at allocacting the subject, Three subject of 3 people each will be created. How many ways are there to create these 3 teams?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #2204

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