40
36 and 64
16 and 9
1 and 9
The two square numbers that add together to make 64 are 36 and 28. This is because 36 is the square of 6 (6 x 6 = 36) and 28 is the square of 4 (4 x 4 = 16). When you add 36 and 28 together, you get 64.
36
27
9 + 36 (3x3) + (6x6)
67
5 and -3
-3 and 5
-5 and 3