The following addition example uses letters instead of numbers. Each letter must be replaced with a number-the same number each time the letter appears. The puzzle will then be correct mathematically.

OH

OH

OH

OH

NO

0 votes

The following addition example uses letters instead of numbers. Each letter must be replaced with a number-the same number each time the letter appears. The puzzle will then be correct mathematically.

OH

OH

OH

OH

NO

...