![Brain teaser - Number And Math Puzzle - hard number puzzle with answer - 2+9=711
14+6=820
17+11=628
12+3=???
This number puzzle can be really hard. Look at the picture and numbers and try to answer it correctly. Is the number pattern obvious at first sight?](/brainteasers/brain-teaser-number-maths-puzzles-hard-number-puzzle-with-answer-7571341215b0702f78b7e40.99782466.png)
hard number puzzle with answer
2+9=711
14+6=820
17+11=628
12+3=???
This number puzzle can be really hard. Look at the picture and numbers and try to answer it correctly. Is the number pattern obvious at first sight?
created by zbynny
![Brain teaser - Number And Math Puzzle - hard number puzzle with answer - 2+9=711
14+6=820
17+11=628
12+3=???
This number puzzle can be really hard. Look at the picture and numbers and try to answer it correctly. Is the number pattern obvious at first sight?](/brainteasers/brain-teaser-number-maths-puzzles-hard-number-puzzle-with-answer-7571341215b0702f78b7e40.99782466.png)
2+9=711
14+6=820
17+11=628
12+3=???
This number puzzle can be really hard. Look at the picture and numbers and try to answer it correctly. Is the number pattern obvious at first sight?