The following textbooks in senior high school use the triangle gravity center formula:

1, senior high school mathematics textbook published by People's Education Press (compulsory 1, compulsory 2);

2. Senior high school mathematics textbook published by Beijing Normal University (compulsory 1, compulsory 2);

3. Shanghai Education Edition Senior High School Mathematics Textbook (compulsory 1, compulsory 2, compulsory 3). Triangle barycenter formula is a basic concept in high school mathematics, which is studied in high school mathematics curriculum.