Lemma
MediumPermutations & combinations
AQuA-RAT train #51179 · Combinatorics · Permutations & combinations

the square of two digit number(ab) divided by half of itself resultant…

the square of two digit number(ab) divided by half of itself resultant added by 18 then divided by 2 then we get reverse of original number(ba). how many combination of ab exist

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #51179

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