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一道数学题里的 语文问题。
Alex deposited x dollars into a new account that earned 8 percent annual interest, compounded annually. One year later Alex deposited an additional x dollars into the account. If there were no other transactions and if the account contained w dollars at the end of two years, which of the following expresses x in terms of w ?
请问,这道题里的at the end of two years, 是从第一笔后两年,还是第二笔后两年? 表述上有什么不同。 |
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