chapter 50 : It's a shame to slap your face so cruelly

Juan Xu could see clearly. It took Scott Shen only a moment for the first nine questions, without any calculation process, he could write the answer almost at a glance. He originally thought that Scott Shen was writing indiscriminately. Unexpectedly, all are correct. This is ridiculous. These nine questions are already very advanced arithmetic problems, and there are not many people in Xuanwu City who can solve them. Even Xu Juan Xu would need a period of time and...