If three cats can kill three rats in three minutes, how long will it take for a hundred cata to ^

问题描述:

If three cats can kill three rats in three minutes, how long will it take for a hundred cata to ^
If three cats can kill three rats in three minutes, how long will it take for a hundred cata to kill a hundred rats?

3 minutes
因为三只猫杀死三只老鼠是同时进行的,所以每一只猫杀死一只老鼠都是三分钟,所以即使一百只猫来杀老鼠,同时进行的话还是三分钟哈 楼主想想看:)