**thank you in advance Add:

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**thank you in advance
Add:

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16 votes

Answer:

a_(21) = 16

Explanation:

You add the numbers. The two top left, two top right, 2 bottom left, 2 bottom right.

8 -6

16 -12

They are asking what number is in the second row, first column.

Steve Willard answered Aug 20, 2023

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