During these steps, some digits are selected for specific roles (e. g., first addend) in the addition operation, while the others are held in working memory, but not used in the current operation.

在这些心算步骤中，每个时刻只有一些数字被特殊地选择用于加法运算的被加数，而其他的数字则仅仅保存在工作记忆中并不用于当前操作。

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While the participants maintained these strings in working memory, they were given a word (e. g., shoe) and asked to respond as quickly as possible with the first word that came to mind (e. g., sock).

在参与者运用短期记忆记住这些数字串的同时，我们又给他们提了一个单词(比如鞋)，让他们尽可能快地说出脑子里因之冒出来的第一个词(比如袜子)。

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While the participants maintained these strings in working memory, they were given a word (e. g., shoe) and asked to respond as quickly as possible with the first word that came to mind (e. g., sock).

在参与者运用短期记忆记住这些数字串的同时，我们又给他们提了一个单词(比如鞋)，让他们尽可能快地说出脑子里因之冒出来的第一个词(比如袜子)。

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