AQuA-RAT train #12185 · Combinatorics · Permutations & combinations

How many combinations of three letters taken from letters (b, b, c…

How many combinations of three letters taken from letters (b, b, c, c, d,d) are possible?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #12185

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