AQuA-RAT train #23536 · Algebra · Algebra word problems

There are 8 letters and corresponding 8 envelopes

There are 8 letters and corresponding 8 envelopes. If 8 letters are placed into 8 envelopes randomly, find the number of ways that exactly one letter is placed into wrong envelope.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #23536

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