( 1)

Flowers bloom again, plus 37 years;

Qing ancient road is sparse, and there is one more spring and autumn in it.

The couplets made by Emperor Qianlong of the Qing Dynasty alluded to the age of an old man. Ji Xiaolan's couplets also hint at this figure.

The formula of the upper part is 2× 60+3× 7 = 14 1, and the formula of the lower part is 2× 70+1=141.

(2)

The top three are Wei.

Chapter 9 The strings of Pythagoras.

"The first three" refers to Qian Sanqiang, and the second refers to the three great powers of Korea, Zhao and Wei during the Warring States period; "Nine Chapters" refers not only to Zhao Jiuzhang, but also to China's ancient mathematical masterpiece "Nine Chapters Arithmetic". This book records the Pythagorean theorem first discovered by mathematicians in China. All numbers are relative, flat and flat, ancient and modern, and the total score is added up.

This couplet was written by Hua Yu/KLOC-0, a mathematician of China Academy of Sciences, on his way abroad in 1953. At that time, the delegation was headed by Qian Sanqiang, and there were many physicists such as Professor Zhao Jiuzhang 10. In his spare time, Hua wrote the first part of "The Three Strongests of Korea, Zhao and Wei" and the second part of "Nine Chapters".