As an important element in China's traditional culture, the Chinese zodiac can be used not only in daily life, but also in solving mathematical problems. The following are mathematical questions about the China Zodiac:

1. How many zodiac signs are there in China? If you choose two zodiac signs, how many combinations are there? The answer is 12 zodiac, two of which have 66 combinations.

2. Suppose a company has 12 employees, respectively corresponding to an animal in the zodiac. How many employees belong to dragons? If three employees are dragons, how many employees belong to other zodiac signs? The answer is that 1 employees belong to dragons, and other 1 1 employees belong to other zodiac signs.

3. 12 in the zodiac, what are the adjacent zodiac signs? For example, what is the adjacent constellation of a mouse? The answer is that the adjacent zodiac signs are: rat and cow, tiger and rabbit, dragon and snake, horse and sheep, monkey and chicken, dog and pig.

Suppose a person's birth year is 1999, then what is his zodiac sign? If his birth date is before the Spring Festival, what is his zodiac sign? The answer is that his zodiac is a rabbit. If the date of birth is before the Spring Festival, then his zodiac is a tiger.

In short, the zodiac can be applied to various mathematical problems, which can not only reflect the cultural connotation of these zodiac signs, but also exercise people's mathematical thinking ability.