le, "but this will not affect our relationship. Although I am not your tutor, we are still friends. You can come to me at any time if you have any problems with your study."Ling Yihang gave a melancho...and ten sets of Mathematical Olympiad papers have been shown to my mother. My mother asked me to supervise your completion and make sure that you live a full life every day!"Ling Yihang's smile disapp...