Jiang Zhe glanced over and saw they were indeed very valuable reference materials. The selected problems were all very typical, and the solutions were quite clever, particularly suitable for students with an average foundation to use for their final sprint of improvement.
There were countless practice problems on the market, and the strategy for improving students was mainly to use a sea of questions.
Such a selection of problems was somewhat like a secret martial arts manual in the world of rivers and lakes, allowing students to grasp the ways of solving problems as quickly as possible within a limited time.
Very useful, and very rare.
Jiang Zhe accepted Lin Huaiyuan's kindness.
...
In the afternoon after school, Song Xingyu had already asked Lou Qiaoyin for leave for the evening.
