Lemma
MediumPermutations & combinations
AQuA-RAT train #325 · Combinatorics · Permutations & combinations

In how many ways can we put 4 different balls in 3…

In how many ways can we put 4 different balls in 3 different boxes when any box can contain any number of balls?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #325

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