
mathematician #GeometryProblem #GeometryProblemArchive #CuriousApproximation #alphametic https://xitter.cf/t.co/d5D98OFRYX
[Ma/Bu]san, Korea
Joined August 2009
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mathematician #GeometryProblem #GeometryProblemArchive #CuriousApproximation #alphametic https://xitter.cf/t.co/d5D98OFRYX