+0  
 
+6
50
3
avatar+749 

 

 

It is possible to place positive integers into the vacant twenty-one squares of this grid so that the numbers in each row and column form an arithmetic sequence. Find the number that must occupy the vacant square marked by the.

 Feb 15, 2020
edited by SpongeBobRules24  Feb 15, 2020
 #1
avatar
0

The answer is 142

 Feb 15, 2020
 #2
avatar+302 
0

How.

AnimalMaster  Feb 15, 2020
 #3
avatar+108776 
0

Grid cannot be seen.

 Feb 15, 2020

56 Online Users

avatar
avatar
avatar
avatar