Just as the whole classroom was buzzing with shock upon hearing Lu Sheng’s declaration that the paper on the left was not hers—
The girl’s expression remained calm, but she quietly pushed a note across the table to Huo Yu.
The note had only one sentence written on it:
[If the exam paper was swapped, would the system leave any trace?]
As Huo Yu caught sight of the note, his eyes sharpened involuntarily.
The level of intelligence of Lu Sheng, no one knew better than Huo Yu, Lu Youming, Han Jing, and Lan Yu—all fellow members of the K.A club.
For such a high school level mathematics exam, even if the answer was laid out next to Lu Sheng, she would not glance at it.
Huo Yu had been unsure about what exactly was going on, but once he heard Lu Sheng claim the paper was swapped, he immediately realized that this must have been a trap set for Lu Sheng.
Because if it was just highly similar answers, it wouldn’t have been impossible. After all, if the proof in a proof question used the same method, the process would definitely be more or less the same.
But Lu Sheng explicitly stated that the paper was not hers.
An exam paper that entered the admissions office’s system had been swapped—it was something that would probably not be believed even if told.
Since Huo Yu saw Lu Sheng being accused of such a severe crime, although his expression remained unreadable, his heart had been in knots.
Willing to help, but for a moment he did not know where to start.
However, the sentence Lu Sheng wrote reminded him.
It is impossible to perform any operation in a computer system without leaving any trace. If Lu Sheng’s exam paper were indeed swapped, there would certainly be traces to follow.
Thus, he looked at Lu Sheng, and without a word, their eyes met. There was a certain tacit understanding between them, and they had already confirmed some signal with one another through their gazes.
As Huo Yu thought, indeed, it was something people would not believe even if told.
Lu Sheng claimed her paper had been swapped, and no one in the classroom believed her, except for her friends.
"Somebody swapped your exam paper??" Tang Yiyi, who had just been put down, seemed to find an opportunity to make her stand, and with a sneer, said, "Lu Sheng, do you have a persecution complex? Or did you see the exam paper being leaked, and it was so obvious that you cheated, that you’re deliberately saying this to muddle the waters?"
"Yeah, that took some gall to say out loud," Tang Yiyi’s close friend Lin Ya chimed in, "The admissions office of Beijing University and Qing University, what kind of institution do you think that is? Secretly swapping just your Lu Sheng’s paper and even making it a perfect score? Do you think the admissions office’s teachers have nothing better to do or are they just crazy?"
"I declare, this is truly the most preposterous thing I’ve heard this year—your paper is identical to the answer key, and you say your paper was switched, what a learning experience."
"What else could she say? The answers were glaringly right there, and she has no other proof."
...
Hearing the other students in the class all talking at once, Lu Sheng, with a cool and indifferent look, calmly lifted her gaze, "Who says I have no other proof?"
"The reason why I recognized at a glance that this isn’t my paper is because the last question of my mathematics paper wasn’t solved this way."
Lu Sheng turned to Mr. Zhou to seek his opinion, "Mr. Zhou, may I go up and write down my original answer?"
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