15,16,13,19,11,22,( ) ,( ),7,( )...找规律
问题描述:
15,16,13,19,11,22,( ) ,( ),7,( )...找规律
答
15,16,13,19,11,22,(9 ) ,(25 ),7,(28 )...
奇数项+2
偶数项+3