The following puzzle has just one solution.
TOUGH
+ TOUGH
------
PUZZLE
Can you find it?
... and this one has two solutions.
TOUGH
TOUGH
+ TOUGH
------
PUZZLE
Can you find them?
TOUGH +TOUGH=PUZZLE
--> 93852+93852=187704
TOUGH+TOUGH+TOUGH =PUZZLE
It has two solutions. These are:
--> 34089+34089+34089 = 102267
--> 65908+65908+65908 = 197724
Edited on March 27, 2023, 9:29 am