Difficult is difficult, and children can understand it as love, which is love. Together, it is the number nine, because in the traditional culture of China, nine represents love, which has a long-term meaning, consistent with the meaning of embarrassment and children.

Digital puzzle is an interesting topic in mathematics, which is generally regarded as an interesting intellectual problem to examine students' reasoning ability and divergent thinking. The formula formed by replacing numbers with letters or other symbols requires the questioner to restore the original formula. In ancient times, this game was called insect erosion calculation.

Crossword puzzle is a kind of game that uses the characteristics of Chinese characters in form, sound and meaning to create crossword puzzles and guide people to guess another Chinese character. Crossword puzzle is a traditional word game in China, which belongs to a traditional form of guessing riddles on lanterns. This is also a unique language and cultural phenomenon in China.

According to the characteristics of complex strokes, relatively independent radicals and changeable structural combinations, crossword puzzles are mainly carried out in various ways, such as clutch, loss-increasing, pictographic and knowing. With the rapid development of mobile Internet, there are many versions of app applications for traditional word games in China, including idiom crossword puzzles, idiom crazy word guessing, idiom word guessing, crossword puzzles and so on.

Development history

Crossword puzzles have a long history in China, which are widely spread, varied and endless. It is very popular among literati, and it is also used in political struggle and divination. In modern times, crossword puzzles are more popular as a high-level entertainment.

In the form of crossword puzzles, people split and clutch regular Chinese characters in various ways that are not in line with the principles of philology. In this unpredictable physical isolation process, it not only highlights the characteristics of physical knots contained in Chinese characters, but also fully demonstrates people's intuitive understanding of the physical structure of Chinese characters.