Place in the middle box a number larger than 1. If the number is the correct one, all the other numbers can be divided by it wit

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问题 Place in the middle box a number larger than 1. If the number is the correct one, all the other numbers can be divided by it without leaving any remainder. What is the number?

选项 A、20.
B、15.
C、10
D、5

答案D

解析 四个选项中只有D项可以被所有所给数字整除。
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