按规律填数 1,-10/9,13/11,-15/13,6/5,-21/17,( ),( )
问题描述:
按规律填数 1,-10/9,13/11,-15/13,6/5,-21/17,( ),( )
答
24/19,-27/21(-9/7)
答
1,-10/9,13/11,-15/13,6/5,-21/17,( ),( )
7/7,-10/9,13/11,-15/13,18/15,-21/17,( 24/19),(-26/21 )