1,4,9,16,25,36,49,( )
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1,4,9,16,25,36,49,( )
1,4,9,16,25,36,49,( )
1,4,9,16,25,36,49,( )
1,4,9,16,25,36,49,(64 )
1,4,9,16,25,36,49,( )
找规律:1,-4,9,-16,25,-36,49,().
1+4+9+16+25+36+49+.n^2
找出规律:1,4,9,16,25,36,49,64.
规律题:1,-4,9,-16,25,-36,49,
4,9,16,25,(),36,49,64
利用行列式性质计算,1 4 9 164 9 16 259 16 25 36 16 25 36 49
计算(1)根号25*根号4与根号25*4 (2)根号9/16*根号49/36与根号9/16*49/36
1,4,9,16,25,( ),49
1 4 9 16 25 () 49
行列式的性质与计算 习题1 4 9 164 9 16 259 16 25 3616 25 36 49
-4,9,-16,25,-36,49的通项公式
观察数的规律填空:1,-4,9,-16,25,-36,49,( ).
找规律 1,4,9,16,25,36,49( )括号里填什么
1,-4,9,-16,25,-36,49,-64请问下两个是什么,规律是什么?
找规律:1,4,9,16,25,36,49,64,?摆脱
找规律,1 4 9 16 25 36 49 第N个数是?
找规律,填上合适的数:1,-4,9,-16,25,-36,49( )