by RSW » Tue Jun 28, 2022 8:50 am
- Code: Select all
+-------------------+-----------------+-----------------+
| 345 5789 346789 | 46789 4589 1 | 79 789 2 |
| 167 1789 6789 | 26789 3 268 | 4 5 1789 |
| 45 15789 2 | 4789 4589 58 | 179 6 3 |
+-------------------+-----------------+-----------------+
| 345 1258 348 | 12389 7 238 | 1569 189 15689 |
|*17-2 6 78 | 5 a289 4 | 3 1789 1789 |
| 9 1578 378 | 138 6 38 | 157 2 4 |
+-------------------+-----------------+-----------------+
|d267 4 679 |c236 1 c2356 | 8 379 5679 |
| 267 3 1 | 2468 b2458 9 | 2567 47 567 |
| 8 29 5 | 2346 b24 7 | 1269 1349 169 |
+-------------------+-----------------+-----------------+
(2)r5c5 = r89c5 - r7c46 = r7c1 => -2r5c1; lclste