Today, 27 years ago, on March 24, 1998 (February 26, 1998, Lunar Calendar), the manuscript was donated free of charge to the Chinese Revolutionary Museum. On March 24, 1998, the wife of the late famous mathematician Chen Qinglu academician, who would be rescued by Ms. Qinglu, guessed that the brief manuscript of the ¡°1+2¡± manuscript was discovered, was donated free of charge to the Chinese Revolutionary Museum. She said at the donation ceremony that this should be the best destination for the manuscript of the ¡°1+2¡± manuscript to the country. Because the work achieved by the manuscript comes from the education of the motherland, Ms. Qinglu, after learning that the brief manuscript of the ¡°1+2¡± manuscript was discovered, sent a letter to the Chinese Revolutionary Museum. In her letter