A square of 9 numbers is marked on a calendar.The sum of these numbers is 90.What are the numbers?
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Answer:
2,3,4,9,10,11,16,17,18...
Step-by-step explanation:
2,3,4 sum of row :9...
9,10,11 sum of row:30....
16,17,18 sum of row:51...
Sum of all three rows:90...
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