找规律:(1)2,7.5,7,12,11,,,19.5,17.5
问题描述:
找规律:(1)2,7.5,7,12,11,,,19.5,17.5
答
2 7.5 7 12 11 16 14.5 19.5 17.5 23.5 21.
找规律:(1)2,7.5,7,12,11,,,19.5,17.5
2 7.5 7 12 11 16 14.5 19.5 17.5 23.5 21.