| 161 | : | 23 | = | ____ | | ____ | : | 2 | = | 25 | | 75 | : | ____ | = | 25 | | 0 | · | ____ | = | 0 | | 1 | + | ____ | = | 1 | | 23 | · | 3 | = | ____ | | 1 | + | 0 | = | ____ | | 0 | – | 0 | = | ____ | | 0 | – | ____ | = | 0 | | 1 | + | ____ | = | 1 | | 0 | + | 1 | = | ____ | | ____ | · | 25 | = | 150 | | 250 | : | ____ | = | 25 | | 0 | + | ____ | = | 1 | | 1 | – | ____ | = | 0 | | ____ | – | 0 | = | 0 | | 0 | + | 1 | = | ____ | | 125 | : | ____ | = | 5 | | 225 | : | 9 | = | ____ | | 1 | · | 23 | = | ____ |
| | | 1 | – | ____ | = | 1 | | 3 | · | ____ | = | 69 | | ____ | · | 5 | = | 0 | | ____ | – | 1 | = | 0 | | ____ | – | 0 | = | 0 | | 1 | + | ____ | = | 1 | | ____ | · | 7 | = | 161 | | ____ | + | 0 | = | 0 | | 250 | : | ____ | = | 25 | | 9 | · | ____ | = | 0 | | 0 | · | ____ | = | 0 | | 0 | + | ____ | = | 0 | | ____ | – | 1 | = | 0 | | ____ | : | 23 | = | 9 | | ____ | – | 1 | = | 0 | | ____ | : | 8 | = | 0 | | 25 | · | ____ | = | 150 | | 0 | – | ____ | = | 0 | | 207 | : | 23 | = | ____ | | 1 | + | 0 | = | ____ |
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