Puzzling
Mark Langdon's user avatar
Mark Langdon's user avatar
Mark Langdon's user avatar
Mark Langdon
  • Member for 4 years, 8 months
  • Last seen more than 4 years ago
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11
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0
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1
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0
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About

APL enthusiast and plasma-physics hacker.

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100
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1
Score
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Posts
100
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answer
1
Use 0, 5, 7 and 1 to make 89
Oct 1, 2018

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