(Merveilleuse) fantaisie arithmétique
Passé
par la liste Math-Fun hier :
>Both
found by nickgard
Rook
move differences give all values 1 to 30.
+----+----+----+----+
| 0 | 1 | 9 | 30 |
+----+----+----+----+
| 16 | 29 | 2 | 19 |
+----+----+----+----+
| 22 | 3 |
27 | 7 |
+----+----+----+----+
+----+----+----+----+
Rook
move differences give all values 1 to 48.
+----+----+----+----+
| 0 | 1 | 23 | 47 |
+----+----+----+----+
| 19 | 44 | 9 | 2 |
+----+----+----+----+
| 37 | 42 | 3 | 11 |
+----+----+----+----+
| 48 | 4 |
36 | 32 |
+----+----+----+----+
--Ed
Pegg Jr
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