... flickering light of the oil lamps in thenight, lacking in everything, how the first IMO student team can be thefirst, second and third in the world.Due to the struggle in the country, Vietnamese ... Inspector: How do you think would A vary?- Pupil: If A is on the line parallel to the base BC, then the locus isobviously another line parallel to BC and away from BC the one-third ofthe distance ... Pupil: Oh, then the locus of G is a circle concentric to the given one,and of the radius of one-third of this given circle.That pupil of grade 2 was Pham Ngoc Anh. The Ministry of Educationtrained...