Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 462 | + | 442 | = |
|
| 2. | 306 | + | 281 | = |
|
| 3. | 208 | + | 108 | = |
|
| 4. | 499 | + | 392 | = |
|
| 5. | 463 | + | 170 | = |
|
| 6. | 329 | + | 269 | = |
|
| 7. | 332 | + | 259 | = |
|
| 8. | 419 | + | 369 | = |
|
| 9. | 349 | + | 123 | = |
|
| 10. | 478 | + | 451 | = |
|
| Oefening 2 | |||||
| 1. | 474 | + | 230 | = |
|
| 2. | 446 | + | 204 | = |
|
| 3. | 425 | + | 173 | = |
|
| 4. | 479 | + | 344 | = |
|
| 5. | 486 | + | 263 | = |
|
| 6. | 477 | + | 313 | = |
|
| 7. | 496 | + | 298 | = |
|
| 8. | 454 | + | 114 | = |
|
| 9. | 384 | + | 203 | = |
|
| 10. | 279 | + | 243 | = |
|
| Oefening 3 | |||||
| 1. | 391 | + | 358 | = |
|
| 2. | 183 | + | 175 | = |
|
| 3. | 335 | + | 215 | = |
|
| 4. | 458 | + | 165 | = |
|
| 5. | 432 | + | 231 | = |
|
| 6. | 486 | + | 402 | = |
|
| 7. | 345 | + | 174 | = |
|
| 8. | 254 | + | 101 | = |
|
| 9. | 485 | + | 296 | = |
|
| 10. | 481 | + | 112 | = |
|
| Oefening 4 | |||||
| 1. | 217 | + | 185 | = |
|
| 2. | 248 | + | 115 | = |
|
| 3. | 299 | + | 122 | = |
|
| 4. | 479 | + | 242 | = |
|
| 5. | 115 | + | 103 | = |
|
| 6. | 498 | + | 337 | = |
|
| 7. | 354 | + | 149 | = |
|
| 8. | 301 | + | 189 | = |
|
| 9. | 292 | + | 162 | = |
|
| 10. | 387 | + | 226 | = |
|