The original title of "The Secret Order of the King of Qin" is: "There are unknown things today, three three two, five five three, and seven seven two. What is the geometry of things? " The meaning of this question is: there are several items, I don't know how many. If you count three, there are still two left; If you count five, there are still three left. If you count seven, there are still two left. Q: How many pieces are there in this batch?
The derived materials have the most far-reaching influence on later generations, such as the famous problem of "chickens and rabbits in the same cage" in Volume 3 1, which was later spread to Japan and changed to "crane and turtle calculation".
Today, there are pheasants and rabbits in the same cage, with 35 heads above and 94 feet below. Q: What are the geometric shapes of pheasants and rabbits? Answer: pheasant 23, rabbit 12.
Shu Yue: Thirty-five heads up and ninety-four feet down. When it is half full, it is 47, and then you are ordered to divide the upper three by the lower three, the upper five by the lower five, the lower one by the upper one, and the lower two by the upper two. Another technique says: head up, foot down, half foot, head off, head off.
In the "informal talks", Yang Di, the vice principal, moved out of a summer Olympic math problem in the second grade of primary school. He said: "I have to admit that this question is very difficult!" " Facing the math problem with China characteristics, 12 can foreign representatives solve it successfully?
The magical Qian Duoduo actually worked out the answers to 620 chickens and 120 rabbits, which was mercilessly vomited by Yang Di. "Why are there only 30 chickens out of 620? How many headless chickens are mixed in? " This made everyone laugh.
Xueba proudly wrote "graduated" and "I graduated, so I don't have to do my homework." Have you ever considered the feelings of the scum?
Song Boning, a French boy, is very quick, swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish-swish. He not only solved the problem successfully with equations, but also explained the logic clearly and fluently, enjoying the worship of everyone.
Baidu encyclopedia-sun Tzu's art of war