https://www.gregmat.com/problems/problem/a-and-b-are-positive-integers-which-unit-digits-of-a/
The question above should say “reverse”, not “inverse”.
@gregmat
https://www.gregmat.com/problems/problem/a-and-b-are-positive-integers-which-unit-digits-of-a/
The question above should say “reverse”, not “inverse”.
@gregmat