If both x and y are prime numbers, x*y is unique and the numbers can be determined immediately. Other than that I cannot see any way to figure it out.
-sailor(Ocean & Mountain);
2022-12-12(#15019884@0)
Right
-bluetandem123(龙腾虎跃);
2022-12-13(#15020429@0)
Two more restrictions
-programmer2017(programmer);
2022-12-13(#15020444@0)
There are very few adults who want to solve this question without any hints. It will be better to have more hints.
-programmer2017(programmer);
2022-12-23(#15049898@0)
There should be some high school students who are very talented and energetic to solve the problem
-programmer2017(programmer);
2022-12-23(#15049910@0)