They are: 4*4 = 16
They are: 49+16 = 65
27
16 can have only one square and that is 256.
The two square numbers that have a difference of 9 are 25 and 16. This can be expressed as (5^2 = 25) and (4^2 = 16). The difference between them is (25 - 16 = 9).
52 - 32 = 16.
They can be: 16 -4 = 12
They are: 49+16 = 65
27
36
16 can have only one square and that is 256.
16 and 9
52 - 32 = 16.
25 - 9 = 16
67
These are square numbers. 1, 4, 9, 16, 25 1 2, 2 2, 3 2, 4 2, 5 2, next number is 6 2 = 36
2 square numbers subtracted from each other to make 8 = -6
-10