AQuA-RAT train #33563 · Combinatorics · Permutations & combinations

There are 4 identical pens and 7 identical books

There are 4 identical pens and 7 identical books. In how many ways can a person select at least one object from this set?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #33563

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