I can't crack this one. Any help is appreciated,
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$\begingroup$ Please attribute your puzzle's source. $\endgroup$– humfuzzCommented Oct 4, 2018 at 1:09
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$\begingroup$ Actually, I don't have a source. A friend just handed me this exact scrap of paper! $\endgroup$– PerpetualStudentCommented Oct 4, 2018 at 1:59
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1 Answer
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I believe the answer is
261___253
___ 10 ____
269___261
explanation:
The center cell increased by one, then the blank cell in the next pattern is a sum of numbers that previously surround the cell. For example top left 10 in the second pattern is from 1+5+4, and bottom right 10 in the second pattern is from 2+3+5.
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$\begingroup$ noooooooooo! i was making an answer....... cruel world...... $\endgroup$– AltoCommented Oct 4, 2018 at 1:07