AQuA-RAT train #6631 · Combinatorics · Permutations & combinations
A Card marked 1 and 2 on its two faces
A Card marked 1 and 2 on its two faces. Two colors, white and black are used to paint the two faces of the card. If the card is painted with the different colors, in how many ways can the card be painted?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #6631
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