Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 389 | + | 323 | = |
|
| 2. | 487 | + | 439 | = |
|
| 3. | 403 | + | 151 | = |
|
| 4. | 433 | + | 429 | = |
|
| 5. | 398 | + | 188 | = |
|
| 6. | 471 | + | 292 | = |
|
| 7. | 280 | + | 119 | = |
|
| 8. | 466 | + | 419 | = |
|
| 9. | 478 | + | 395 | = |
|
| 10. | 464 | + | 327 | = |
|
| Oefening 2 | |||||
| 1. | 472 | + | 448 | = |
|
| 2. | 498 | + | 444 | = |
|
| 3. | 230 | + | 147 | = |
|
| 4. | 405 | + | 255 | = |
|
| 5. | 338 | + | 234 | = |
|
| 6. | 350 | + | 348 | = |
|
| 7. | 345 | + | 209 | = |
|
| 8. | 242 | + | 233 | = |
|
| 9. | 459 | + | 152 | = |
|
| 10. | 156 | + | 132 | = |
|
| Oefening 3 | |||||
| 1. | 283 | + | 233 | = |
|
| 2. | 428 | + | 117 | = |
|
| 3. | 460 | + | 148 | = |
|
| 4. | 327 | + | 183 | = |
|
| 5. | 445 | + | 237 | = |
|
| 6. | 330 | + | 141 | = |
|
| 7. | 351 | + | 196 | = |
|
| 8. | 446 | + | 402 | = |
|
| 9. | 494 | + | 403 | = |
|
| 10. | 319 | + | 312 | = |
|
| Oefening 4 | |||||
| 1. | 449 | + | 109 | = |
|
| 2. | 473 | + | 371 | = |
|
| 3. | 467 | + | 305 | = |
|
| 4. | 375 | + | 128 | = |
|
| 5. | 388 | + | 298 | = |
|
| 6. | 391 | + | 237 | = |
|
| 7. | 319 | + | 170 | = |
|
| 8. | 444 | + | 287 | = |
|
| 9. | 258 | + | 166 | = |
|
| 10. | 490 | + | 144 | = |
|