There are very many possible solutions. One such is: 1, 3, 5, 7, 9 and 75.
36 and 64
0 and 100.
100
5050
103
An example of two numbers which add together to make 100 are 47 and 53.
The two square numbers that add together to make 100 are 36 and 64. Specifically, (6^2 = 36) and (8^2 = 64). When you add them together, (36 + 64 = 100).
-99
The numbers are 4 and 25
26
-99
For two rational numbers select any terminating or repeating decimal number which starts with 2.10 and for irrational numbers you require a non-terminating, non-repeating decimal which also starts with 2.10.