Current location - Training Enrollment Network - Mathematics courses - The first volume of the third grade olympiad
The first volume of the third grade olympiad
The first volume of Grade Three is as follows:

Mathematics, as a basic subject, aims to cultivate students' rational thinking and form the habit of rigorous thinking, which plays a vital role in one's future work, especially in the information age. It can be said that mathematics is closely integrated with any scientific field. The following is the relevant information, I hope it will help you.

There is a group of soldiers, arranged in a phalanx, and there are 240 people in the outermost week. How many people are there in this phalanx?

The young pioneers of a school can be arranged in a four-story hollow square. If there are 20 students on each side of the outermost layer, how many students are there in the innermost week of this hollow square? How many students are there in this four-story hollow square?

On the eve of Children's Day, around the campus sculpture, 204 pots of flowers were used to form a square with three layers on each side.

Students in Grade Three 1 Class participate in gymnastics performances. The formation is exactly a regular hexagon composed of six triangles, with seven people on each side. How many students are there in a week? How many people participated in the gymnastics performance in Class 3 (1)?

The latest third-grade Olympic math problem and answer: phalanx problem: the existing pine and cypress trees are planted in a phalanx of 9 rows and 9 columns by alternating trees. How many pines and cypresses are there on the outermost layer of this square? How many pines and cypresses are there in the square?