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问题 填空题

如果除数缩小10倍，要使商不变，被除数应当______．

答案

根据商不变的性质：被除数和除数同时扩大或缩小相同的倍数（0除外），商不变，

被除数缩小10倍，要使商不变，被除数也应当缩小10倍．

故答案为：缩小10倍．

填空题

用科学记数法表示：0.0000000102=（    ）。
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问答题

You are a manager of Administrative Office named J. S. Sanford. The board of directors have decided to refurbish the offices of Financial Department. Write a memo to tell all the employees that:

1) How long will this project last

2) Where shall be the temporary offices for the Financial Department during this period’

3) Which kind of affairs might be influenced during this period, and what will be the corresponding solutions

You should write about 100 words.
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