8个数字组合3个数有多少组

简介：Um? Little brother, do you want to sell jade? The setting was like a small living room. A fat old man, who was sitting on a wooden recliner and sipping tea leisurely. He looked very energetic in a dark red Tang suit. He raised his eyebrows and came over with a busy smile. He looked at Xiao Xiaobai with interest. asked.