Synchronous exercise of advanced mathematics (used with Tongji version of advanced mathematics)
Probability Theory and Mathematical Statistics Zhejiang University Edition Third Edition
Author Fan,,, Zhejiang University Press
Probabilistic Theory and Mathematical Statistics (Zhejiang University Third Edition) Tutoring and Exact Solution of Exercises
Author Zhou Huaren, Shaanxi Normal University Press.
NPC Edition of Linear Algebra
A Guide to Learning Linear Algebra by Hu Jinde, Renmin University of China Press.
Actually, most of them are similar. The key to mathematics is to do more problems. I used these books from the beginning and took an economics class. I wish you success!