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I need help arranging cards in a 4 x 4 grid with numbers 1-9 so that the sum of each row and each column is 20. This what the grid looks like:
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Jun 14, 2021
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I need help arranging cards in a 4 x 4 grid with numbers 1-9 so that the sum of each row and each column is 20. This what the grid looks like:
Mathematics
middle-school
Aroc
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the answer is 2 because 2+1+6= 9 and 3+1+5= 9 together those equal 18 so 18 minus 20 is 2
Nick Chammas
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Jun 17, 2021
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Nick Chammas
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3
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Answer:2
Explanation:
I think
Chris Meek
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Jun 18, 2021
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Chris Meek
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