0
Wiki User
-1
Velma Romaguera ∙
-1-9 = -10
-1*-9 = 9
-19
-27
-291
29
1x9 3x3
-10 and 1
-91
10 and -9
91
it can be any # that ads up to 9. for instince 1242. it adds up to 9. Hope this helps!