按规侓填数:1/4,4/9,( ),16/25,( ).
1,4,9,16,25,36,49,( )
1,4,9,16,25,( ),49
(32*1/4+17)÷5/12 (25+3/4)÷1/4+1/4 18/25×9/16+7/25*9/16+9/16
0,1,1,4,5,9,14,16,30,25?
数列1,-4,9,-16,25,-36,49.
1,4,9,16,25,( ),49,找规律添数
1,负4,9,负16,25,(),()找规律填空
1,4,9,16,25,找规律填空(奥数题)
按规律填数:-1、4、-9、16、-25、36、()、().
找规律:1,4,9,16,25,36,49,64,?
找出规律:1,4,9,16,25,36,49,64.
1+4+9+16+25+36+49+.n^2