1；4

4-1 (（1^4+1/4)(3^4+1/4)(5^4+1/4).(19^4+1/4))/((2^4+1/4)(4^4+1/4) 1/4,-3/4,-3/4,1/4,17/4,( ) 1/2,1/4, (1^4+1/4)*(3^4+1/4)*.(19^4+1/4)/(2^4+1/4)*(4^4+1/4).(20^4+1/ 求[(1^4+1/4)(3^4+1/4)(5^4+1/4)……(19^4+1/4)]/[(2^4+1/4)(4^4+1/ （1^4/4)(3^4+1/4)...(19^4+1\4) \ (2^4+1/4)(2^4+1/4)(4^4+1/4). 数列1/4 、1/4、 1 、9 矩阵的证明题-4 1 1 1 11 -4 1 1 11 1 -4 1 1 1 1 1 -4 11 1 1 1 -4 这个 1、1/2、1/4、1/7 1/3,2/3,1/3,1/4,2/4,3/4,2/4,1/4,( ),( ),( ),( ),( ),( ),( ) 数列1,2,4,4,1规律