1 and 749, when added together.
There are infinitely many pairs. Two possible pairs are 10 and 61.2, 100000 and 0.00612
Two numbers added together to form a sum are called "addends".
2 odd numbers added together equal an event number. to even numbers added together equal an even number. it is impossible to make 4 odd numbers equal an even.
There are infinitely many possible answers. 1 and 252, added together, make 253.
the products
260 and 7
1 and 749, when added together.
0 and 49, added together.
125 and 1, added together.
0 and 114 added together.
52.5, when added together.
11+11
It is impossible.
There are infinitely many pairs. Two possible pairs are 10 and 61.2, 100000 and 0.00612
These numbers added together make the 1000th triangle number, which is 500,500.
They make a rational number.