Question 21
We want to place numbers into each blank square in this diagram so that each number placed is the average of those in the squares directly connected to it. What number should we put in the middle square of the top row?
Editable grid; connections are horizontal and vertical only:
|Column 1|Column 2|Column 3|
|---|---|---|
|1|?|2|
|?|?|?|
|4|?|3|
Editable grid; connections are horizontal and vertical only:
|Column 1|Column 2|Column 3|
|---|---|---|
|1|?|2|
|?|?|?|
|4|?|3|