The formula for filling in nine squares is: wear one of nine shoes, three on the left and seven on the right, two with four shoulders, eight with six, and five in the middle.

I. Meaning of Jiugongge Formula

Fill in the numbers 1 to 9 in the nine cells of Jiugongge, so that the sum of the numbers in each row, column and diagonal is equal. Specifically, the rows, columns and diagonals represented by each number can be used in the following ways.

Second, the expression of Jiugongge formula

1, wearing nine shoes is one: the number 9 is located in the last row of Jiugongge, and the number 1 is located in the first row of Jiugongge, which means wearing nine shoes is one.

2. Left three right seven: the number 3 is located in the third column of Jiugongge, and the number 7 is located in the seventh column of Jiugongge, that is, left three right seven.

3.24 Shoulder: Numbers 2 and 4 are located in the second row and the fourth row of Jiugongge respectively, that is, 24 has shoulders.

4. Eighty-six is enough: the numbers 8 and 6 are located in the eighth and sixth columns of Jiugongge respectively, which means eighty-six is enough.

5. Five Houses Center: The number 5 is located in the center of Jiugongge, which is the center of Five Houses.

Third, the history of Jiugongge

Jiugongge, which originated from China's ancient Luoshu diagram, is a tool invented by ancient mathematicians to train mathematical thinking and solve practical problems. The principle of Jiugongge is arithmetic progression, which is characterized by the equal sum of numbers in each row, column and diagonal. Later, Jiugongge was widely used in various fields.

The role of Jiugongge in various fields

1, Education field: Jiugongge can be used to take notes.

2. In the field of daily life: Jiugongge can be used to record your day's harvest and help yourself reflect.

3. In the commercial field: Jiugongge can be used as the main interface entrance of the application, displaying different functional modules in the form of grids, and users can click on the corresponding grids to enter the corresponding functional interfaces.

4. In the game field: Jiugongge can be used to display various icons in the game application, the level selection interface in the game application, and the commodity classification interface in the shopping application.

5, in the field of literature: mainly to help collect writing materials and conceive the framework of the article.