Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 279 | + | 105 | = |
|
| 2. | 358 | + | 276 | = |
|
| 3. | 348 | + | 215 | = |
|
| 4. | 490 | + | 364 | = |
|
| 5. | 483 | + | 161 | = |
|
| 6. | 449 | + | 101 | = |
|
| 7. | 241 | + | 224 | = |
|
| 8. | 384 | + | 234 | = |
|
| 9. | 441 | + | 231 | = |
|
| 10. | 466 | + | 134 | = |
|
| Oefening 2 | |||||
| 1. | 372 | + | 149 | = |
|
| 2. | 237 | + | 154 | = |
|
| 3. | 297 | + | 204 | = |
|
| 4. | 471 | + | 269 | = |
|
| 5. | 266 | + | 200 | = |
|
| 6. | 475 | + | 309 | = |
|
| 7. | 417 | + | 120 | = |
|
| 8. | 345 | + | 311 | = |
|
| 9. | 412 | + | 204 | = |
|
| 10. | 300 | + | 103 | = |
|
| Oefening 3 | |||||
| 1. | 169 | + | 132 | = |
|
| 2. | 452 | + | 208 | = |
|
| 3. | 413 | + | 383 | = |
|
| 4. | 266 | + | 245 | = |
|
| 5. | 395 | + | 293 | = |
|
| 6. | 453 | + | 342 | = |
|
| 7. | 471 | + | 416 | = |
|
| 8. | 354 | + | 294 | = |
|
| 9. | 349 | + | 149 | = |
|
| 10. | 342 | + | 195 | = |
|
| Oefening 4 | |||||
| 1. | 124 | + | 111 | = |
|
| 2. | 403 | + | 227 | = |
|
| 3. | 495 | + | 261 | = |
|
| 4. | 401 | + | 158 | = |
|
| 5. | 499 | + | 497 | = |
|
| 6. | 281 | + | 203 | = |
|
| 7. | 170 | + | 125 | = |
|
| 8. | 263 | + | 102 | = |
|
| 9. | 157 | + | 123 | = |
|
| 10. | 361 | + | 165 | = |
|