A Study on the Effectiveness of High School Mathematics Assignment Design in the Context of the “Three New” Initiatives——Taking the 2019 People’s Education Press Edition A Textbook as an Example. Journal of educational development exploration, [S. l.], v. 1, n. 4, p. 47 – 52, 2025. DOI: 10.65196/qh8gm409. Disponível em: https://ojs.gfpress.org/jede/article/view/97. Acesso em: 4 feb. 2026.