13 54 ? 7 45 32 27 144 68
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In the first column, 13 + 7 x 2 = 27.
In the second column, 54 + 45 x 2 = 144.
Let the missing number in the third column be y.
Then, y + 32 x 2 = 68 or y = 68 - 64 = 4
In the second column, 54 + 45 x 2 = 144.
Let the missing number in the third column be y.
Then, y + 32 x 2 = 68 or y = 68 - 64 = 4
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4 is correct answers of this question
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