[其他] 鴿籠
1. Show that given any set of 5 integers, there are 3 integers in the set
whose sume is divisible by 3
2. A wheel of fortune has the integers from 1 to 25 placed on it in a random
manner. Show that regardless of how the numbers are positioned on the wheel,
there are three adjacent numbers whose sum is at least 39
請問這兩題有人會其中一題或兩題都會的嗎?
謝謝
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推
09/11 22:20, , 1F
09/11 22:20, 1F
→
09/11 22:21, , 2F
09/11 22:21, 2F
→
09/11 22:21, , 3F
09/11 22:21, 3F
→
09/11 22:22, , 4F
09/11 22:22, 4F
推
09/11 22:38, , 5F
09/11 22:38, 5F
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