NO.PZ2018062003000207
问题如下：
According to the following form, there are three spot rate ratios between USD and another currencies.
Which of the following options is most accurate of the spot EUR/GBP cross-rate?
选项：
A.1.0251.
B.0.8702.
C.0.9755.
解释：
A is correct.
EUR/GBP =(USD/EUR)-1 × (USD/GBP)
= (1/1.3860) × 1.4208 = 1.0251
考点： cross-rate
解析：
EUR/GBP =(USD/EUR)-1 × (USD/GBP)
= (1/1.3860) × 1.4208 = 1.0251
請問這題，EUR/GBP =爲何不是1.3860/1.4208？，謝謝
