How about Red Dragonfly Monthly? Is it worth buying?

Worth it.

According to the official journal website, Red Dragonfly (monthly) was founded on 1999. It is a comprehensive children's periodical jointly sponsored by Anhui Education Publishing House and Anhui Education Publishing House for children in lower grades of primary schools, preschool classes and kindergartens. It tells beautiful stories for children, explains classic math problems, broadens children's horizons and enriches children's knowledge structure, from composition to painting to the Internet.

Discrete mathematics problem: the sum of degrees of a number with n nodes must be equal to 2n-2.

Funny copywriting with deep routines

The total score of Zigong senior high school entrance examination is 20 13.

Timetable for each subject of postgraduate entrance examination

What is the difference between positive proportion and negative proportion in primary school mathematics?

Which is better, the reflection of the Three Kingdoms 20 17 Xuanwu Collection or Langwen Collection?

The determination of teaching objectives should fully consider the goals achieved in mathematics teaching.

Textbooks and books for studying advanced mathematics, discrete mathematics, data structures and algorithms.

Are Americans really bad at arithmetic?

High school math problem, why can I take countless K values in the red line and make them equal to 0?