找规律15,21,18,19,21,17,( ),( )
问题描述:
找规律15,21,18,19,21,17,( ),( )
答
1 3 5递增
2 4 6递减
所以填24 15
做任务,
找规律15,21,18,19,21,17,( ),( )
1 3 5递增
2 4 6递减
所以填24 15
做任务,