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Recent Problems

IDDescription / TitleSolved By
685Inverse Digit Sum II
58
684Inverse Digit Sum
220
683The Chase II
141
6825-Smooth Pairs
129
681Maximal Area
119
680Yarra Gnisrever
109
679Freefarea
360
678Fermat-like Equations
141
677Coloured Graphs
97
676Matching Digit Sums
153