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这题什么意思giving the price of a us dollar in Canadian Dollar 就是用加元来衡量美元吧！ 但是下面的数据 3 1.05 0.93 0.97 这样的话第一个1 usd = 1.05cd！！！这样第一次交易之后加元就变成了1050*0.97了啊！ 答案怎么回事？ Followed by: Post your reply here: |
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