AQuA-RAT train #73003 · Number Theory · Digits
What is the units digit of 31
What is the units digit of 31! + 50! + 2! + 3!?
This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #73003
Stuck? A gentle nudge
No hints for this one.
Your answer
Checked against the answer in AQuA-RAT.