题型:问答题 简答题 小芳从家到学校有两条一样长的路,一条是平路,另一条是一半上坡路,一半下坡路.小芳上学走这两条路所用的时间一样多.已知下坡的速度是平路的1.6倍,那么上坡的速度是平路的______倍. 查看答案
题型:问答题 简答题 The one-year spot rate is 6 percent and the one-year forward rates starting in one, two and three years respectively are 6.5 percent, 6.8 percent and 7 percent. What is the four-year spot rate()A. 6.51%.B. 6.58%.C. 6.57%. 查看答案