l,9,25,49,()()按照规律括号里应填什么数

2025-05-12 11:35:26
推荐回答(1个)
回答1:

1,9,25,49,( 81 )( 121 )
1 = 1×1
9 = 3×3
25 =5×5
49 = 7×7
81 = 9×9
121 = 11×11