[問題]請教一題

[Lucy Tsai]

The 20 people at a party are divided into n mutually exaclusive groups in such a way that the number of people in any group does not exceed the number in any other group by more than 1.

Column A..............................Column B
The value of n if
at least one of the........................... 6
groups consisits of
3 people

Ans: The relationship cannot be determined from the information given.
題目看不懂,請為我解一下,謝謝

[pri]

20人分成n組，任兩組相差不超過1人。
A: 已知其中一組為3人，n為何?
若3人的有四組，4人的兩組，則n=2+4=6
若3人的有兩組，2人的七組，則n=2+7=9
B: 6

[Lucy Tsai]

Thank you!
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