What are the calculation methods of Jiugongge Mathematics?

Jiugongge Mathematics is a mathematical game based on number arrangement and logical reasoning, which solves problems by filling numbers in Jiugongge. The following are some commonly used mathematical calculation methods of Jiugongge:

1. Unique candidate number method: according to the filled numbers and rules, determine the unique number that may be filled in each blank. Fill in the blanks step by step by elimination method until all the blanks are filled.

2. Exclusion method: observe the numbers that have been filled in the nine grids, and exclude some numbers that cannot appear in a specific position according to rules and logical relationships. By constantly eliminating and narrowing the range of optional numbers, the correct answer is finally found.

3. Redundancy method: observe the numbers that have been filled in nine squares, and according to the rules and logical relations, it is determined that only one unique number can be filled in a space. By analyzing the graphics of other spaces, fill the space step by step until all the spaces are filled.

4. Trial-and-error method: According to the known figures and rules, try different combinations of figures to fill in the blanks, and find the correct answer that conforms to the rules through constant trial and error and adjustment.

5. Grouping method: the numbers in Jiugongge are grouped according to certain rules, and the numbers in other spaces are inferred by analyzing each group of numbers.

6. Crossing method: divide the nine squares into several small squares or rows, and infer the numbers in other spaces by analyzing the numbers in each small square or row.

The above are some commonly used calculation methods of Jiugongge Mathematics. Using these methods flexibly, we can solve all kinds of Jiugongge mathematical problems.