Until Cheng Ya started discussing other topics, Li Pan only confirmed that no one was really asking how to solve the previous problem.
She looked at Xia Wan and found that Xia Wan had no intention of asking questions either.
Li Pan sneered, feeling that Xia Wan's so-called intention to study hard was just an act. According to Xia Wan's usual scores, she couldn't possibly understand the problem from earlier.
So, either Xia Wan was pretending to understand to save face, even though she didn't get it, or she had no intention of studying seriously at all, whether she understood or not.
The curriculum of the third year of high school actually consolidated the material from the first and second years. If the foundation from the first two years is weak, improving grades in the third year will be very difficult.