8个数组合成4个数有多少组

简介：Then beads of sweat as fine as cow hair appeared on his forehead, and all the cold sweat broke out. Zhou Junchao could see that the little finger of Wang Kelin's hand holding the table was trembling, and his calves were trembling. Then he took a breath of cold air and sucked the air into his chest. He held it in for a long time before spitting it out from his nostrils and teeth. Damn it!