by Ngisa » Mon Aug 31, 2020 8:57 pm
- Code: Select all
+------------------+--------------------+------------------+
| 8 59 59 | 467 3 67 | 1 47 2 |
| 3 4 7 | 1 2 8 | 5 9 6 |
| 1 2 6 | 9 g457 h5-7 | 48 3 a78 |
+------------------+--------------------+------------------+
| 5 1689 149 | 467 147 1267 | 268 18 3 |
| 2 c16 3 | 5 8 9 | 46 47 b17 |
| 7 68 d14 | 36 e14 236 | 268 5 9 |
+------------------+--------------------+------------------+
| 6 157 15 | 8 9 157 | 3 2 4 |
| 9 3 8 | 2 f15 4 | 7 6 15 |
| 4 157 2 | 37 6 1357 | 9 18 158 |
+------------------+--------------------+------------------+
(7)r3c9 = (7-1)r5c9 = r5c2 - r6c3 = r6c5 - (1=5)r8c5 - r3c5 = (5)r3c6 => - 7r3c6; stte
Clement