There are no whole numbers that satisfy those conditions. If that was -3, you could use 3 and -1.
10,20,30,40,50,60,70 (keep counting by tens)
1 + 2
-5
-1
-3
-2 and -3 -2 + (-3) = -5 -2 x -3 = 6
25
The numbers are 2 and -5
3
They are: 3+2 = 5 and 3^2 = 9
No. The only digit of 2 is ' 2 '. It adds up to 2.
5