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If x, y and z are different positive integers less than 10, what is the greatest
If x, y and z are different positive integers less than 10, what is the greatest
游客
2024-01-13
10
管理
问题
If x, y and z are different positive integers less than 10, what is the greatest possible value of (x-y)/z?
选项
A、6
B、7
C、5
D、8
E、4
答案
B
解析
x,y and z都是小于10的正整数,求(x-y)/z的最大值,那么z取最小值为1, z-y取最大值,必然x取最大值9,y取最小值2,注意三个数不同这个条件,于是得到所求最大值为(9-2)/1=7,选择B。
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