找规律!1,4,9,25,a,49,64,81,a
找规律!1,4,9,25,a,49,64,81,a
找规律:1,4,9,a,25,36,49,.则a=().A.16 B.13 C.14 D.20
找规律:1,4,9,25,,49;
找规律 1,4,9,16,25,36······a,( )
找规律:1、4、9、a、25、36、49、.则a=( ).A.16 B.13 C.14 D.20 附上解题思路啊!
找规律 求A
找规律:1,4,9,16,25,36,49,64,?
找规律 4 9 A 43 B 185
找规律 3/4 、 1 、4/3、( ) 、256/81 根据规律应填 A 5/3 B 8/9 C 16/9 D1
1,4,9,16,,,49,找规律
1,4,9,16( ),( ),49( )...找规律
找规律填空 4,9,16,25,( )49,64