Lemma
MediumDigits
AQuA-RAT train #30867 · Number Theory · Digits

I take a four-digit number and subtract from it the sum of…

I take a four-digit number and subtract from it the sum of its digits. In the result I strike off one of the digits and the remaining three digits of the result are 2, 4 and 6 (not necessarily in that order). Find the digit struck off by me.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #30867

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