{0,-1,-4,-9,-16,-25,-36,-49}(用描述法表示下列集合)
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{0,-1,-4,-9,-16,-25,-36,-49}(用描述法表示下列集合)
{0,-1,-4,-9,-16,-25,-36,-49}(用描述法表示下列集合)
{0,-1,-4,-9,-16,-25,-36,-49}(用描述法表示下列集合)
{x|x=-n^2(0
{x|x=0,-1,-4,-9,-16,-25,-36,-49}
0,1,1,4,5,9,14,16,30,25?
0,1,1,4,5,9,14,16,30,25____?1,2,4,4,9,6,16,8_____?
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
一道行列式的题,答案为0 但是我不会算,向高手求助第一行1 4 9 16第二行4 9 16 25第三行9 16 25 36第四行16 25 36 49
0,-1,4,-9,16,-25,36...第n个数是
{0,-1,-4,-9,-16,-25,-36,-49}(用描述法表示下列集合)
用描述法表示集合{0,-1,-4,-9,-16,-25,-36,-49}
A={0,1,4,9,16,25,36,},将其用描述法表示求救
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,
0、1、4、9、16求通项公式