一张扑克牌背面向上放在桌上,你能不能想出一个最简单的办法,立刻知道这张扑克牌的点数和花色? hTtT1AgoR8guBnneHIic7UVt6EIpkCR6DA5T6bPn58x3RxZ9GZNFlWxtywErvWpU