It is a well-known fact that eleven+two=twelve+one
is an anagram equality
and1 + 12 = 2 + 11
may be viewed as a palindrome.
After solving two independent alphametics:
use your head to assign a digit to the ? in this puzzle's title,
to make 027 028?9
a meaningful expression.
(In reply to Solution? no spoiler
a. Without disclosing your solution - WHAT IS YOUR VALUE OF " ?" ?
b. I do not think that the word "rhyming" is appropriate.
c. Both the top part and the lower part relate to the numbers 1,2,11,12.
d. I agree that the 1st part is not instrumental to solve the puzzle-just a revival of some trivia.
e. You should not doubt the truthfulness of your solution once the letters and the digits comply with the two alphametics.
e. Did you like the puzzle?