Could you tell me where the post office is? Could you tell me where the post office is? 分类:西安交通大学知识产权法学 题型:选择题 查看答案
What time do you go swimming every day? What time do you go swimming every day? 分类:西安交通大学知识产权法学 题型:选择题 查看答案
lim(n→∞)π/n[(cosπ/n)^2+cos2π/n)^2+……+cos(n-1)π/n)^ lim(n→∞)π/n[(cosπ/n)^2+cos2π/n)^2+……+cos(n-1)π/n)^2=______ 分类:西安交通大学知识产权法学 题型:选择题 查看答案