一、填空题：1.出生在19世纪的一位名人于1945年8月31日病逝，他的出生年份恰好是他在世时某年年龄的平方，他是出生的；一共活了岁。2.用九根火柴能不能组成3个正方形和2个正三角形？（画示意图作答）。3.某人沿电车路旁走着，留心到：每隔12分钟后一辆电车追过他，而每4分钟? I. Fill in the blank: 1. A famous person who was born in the 19th century died on August 31, 1945. His birth year happens to be the square of his age at the time of his birth. He was born; he lived a total of years. 2. Can I form 3 squares and 2 equilateral triangles with nine matches? (Draw a schematic diagram to answer). 3. Someone walks along the street of the tram and notices: After every 12 minutes, a tram chases after him every 4 minutes?