找规律3,15,35,61,99,( ),195
3 15 35 63 99 ( ) 195 找规律填数,
找规律-3,-15,-35,-63,_____.
找规律3 8 15()()
找规律填一填:3,15,35,63,99,______,195.
找规律填数2 3 10 15 26 35 ( )63 82 99
找规律 1.3 15 35 63 99() 2.1 8 27
初一找规律填数按规律填上适当的数:1/3,-2/15,3/35,-4/63,( ),( ),.
找规律:1/3,-2/15,3/35,-4/63
找规律1/3 -2/15 3/35 -4/63
找规律:1/3,-2/15,3/35,-4/63( ),( )
找规律 3 -15 35 -63 99.第N个数
找规律1/3,1/15,1/35,1/63