It's different. Li Lin's six sets of papers are different every year, and change according to the annual examination policy. Li Lin's six sets of papers are written for candidates who take part in the national postgraduate entrance examination and take part in the math exam. This book can be used to check the review effect of candidates' basic and intensive stages, help candidates to check and fill gaps, accumulate on-the-spot experience, and effectively improve candidates' test-taking level. This book contains six sets of papers, each of which has the same type and quantity as the postgraduate entrance examination, covering the knowledge points required by the postgraduate entrance examination outline.