Playing card game: Xiaoming's back to Xiaoliang, let Xiaoliang operate according to the following four steps: first, distribute the left, middle and right three piles of cards, each pile of cards is no less than two, and the number of each pile of cards is the same; second, take out two cards from the left pile and put them in the middle pile; third, take out one card from the right pile and put it in the middle pile; fourth, there are several cards in the left pile, Just take a few cards from the middle pile and put them into the left pile. At this time, Xiao Ming accurately says the number of cards in the middle pile. Do you think the number of cards in the middle pile is () I think it's difficult to solve this problem. It's estimated that it's the IQ reason T ^ t,

Playing card game: Xiaoming's back to Xiaoliang, let Xiaoliang operate according to the following four steps: first, distribute the left, middle and right three piles of cards, each pile of cards is no less than two, and the number of each pile of cards is the same; second, take out two cards from the left pile and put them in the middle pile; third, take out one card from the right pile and put it in the middle pile; fourth, there are several cards in the left pile, Just take a few cards from the middle pile and put them into the left pile. At this time, Xiao Ming accurately says the number of cards in the middle pile. Do you think the number of cards in the middle pile is () I think it's difficult to solve this problem. It's estimated that it's the IQ reason T ^ t,

5 cards, after the adoption of the detailed answer process!