刘同学2019-11-12 18:17:15
刘同学Supposing that an exchange rate between two currencies has increased to 1.4600, what is the initial exchange rate between the two currencies if the base currency has appreciated by 9% against the price currency? A 1.3340. B 1.3394. C 1.5660. zhe'这个不会
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Sophie2019-11-13 10:46:39
Sophie同学你好，
详细解析如图
要用base currency 和price currency
的角度考虑，分母为base currency, 分子为price currency，含义为多少price currency 是1单位的base currency
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