1,4,9,16,25,( ),( ),64,81
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1,4,9,16,25,(),(),64,811,4,9,16,25,(),(),64,811,4,9,16,25,(),(),64,811,4,9,16,25经观察,每项比前一项的差依次为,3,5,
1,4,9,16,25,( ),( ),64,81
1,4,9,16,25,( ),( ),64,81
1,4,9,16,25,( ),( ),64,81
1,4,9,16,25
经观察,每项比前一项的差依次为,3,5,7,9,
全是奇数 所以之后的差为11,13,
所以那两空为,36,49
36, 49
36 49
按规侓填数:1/4,4/9,( ),16/25,( ).
1,4,9,16,25,( ),( ),64,81
1,4,9,16,25,36,49,( )
1,4,9,16,25?64,81
1,4,9,16,25的规律
1,4,9,16,25,( ),49
1 4 9 16 25 () 49
1 4 9 16 25 ()规律
1,3/4,9/5,7/16,25/9,()
(25+3/4)×4/1+1/4= 18/25×9/16+7/2(25+3/4)×4/1+1/4= 18/25×9/16+7/25×9/16+9/16= 能简算就简算,
(32*1/4+17)÷5/12 (25+3/4)÷1/4+1/4 18/25×9/16+7/25*9/16+9/16
找规侓 1,1,4,8,9,27,16,64,25,(),()
0,1,1,4,5,9,14,16,30,25?
找规律填数 1/4 4/9 9/16 16/25 () ()
1,-4,9,-16,25,什么,什么.找规律
-1、4、-9、16、-25、36( )、 ( )找规律
按规律填数.1,4,9,16,25,( ),( ),( ).
找规律:-1,4,-9,16,-25,36,(),()