人们普遍认为,美国学生数学程度不高,中小学数学课程内容偏浅。几年前,初旅美国,我也介绍这种数学程度偏低的事例。随着到美国次数多,时间长,我逐渐发现,以前讲的虽然确有其事,但却不足以代表全面情况。美国中小学核心课程除了英语,就只有数学。数学是 It is generally believed that the degree of mathematics in American students is not high, and the contents of elementary and middle schools math courses are shallow. A few years ago, traveling to the United States, I also introduce this low level of mathematics. As I traveled to the United States for a long time, I came to realize that what I had said before was not enough to represent the overall situation. American primary and secondary school core courses in addition to English, only mathematics. Mathematics is