2.
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99 . . .
61
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99.
Anything that isn't 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99 and so on.
2.
The numbers are 8 and -54 Check: 8+(-54) = -46 and 8*-54 = -432
33
3024
54
-69
1, 2, 3, 6, 9, 18, 27, 54 (1 x 54, 2 x 27, 3 x 18, 6 x 9).
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99 . . .
61
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99.
Anything that isn't 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99 and so on.
They are:54 x 154 x 254 x 354 x 454 x 554 x 654 x 754 x 854 x 9and54 x 10