试题与答案

6只鸡放进5个鸡笼,至少有______只鸡要放进同一个鸡笼里.

题型:填空题

题目:

6只鸡放进5个鸡笼,至少有______只鸡要放进同一个鸡笼里.

答案:

5个鸡笼,看做5个抽屉,6只鸡看做6个东西,把6只鸡放进5个鸡笼,至少有 2只鸡要放进同一个鸡笼里.

6÷5=1…1,平均把鸡放进5个鸡笼里,余下的1只放进任意一个鸡笼,1+1=2;

答:至少有 2只鸡要放进同一个鸡笼里.

故答案为:2.

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