Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 419 | + | 388 | = |
|
| 2. | 499 | + | 249 | = |
|
| 3. | 458 | + | 215 | = |
|
| 4. | 486 | + | 181 | = |
|
| 5. | 170 | + | 170 | = |
|
| 6. | 452 | + | 174 | = |
|
| 7. | 386 | + | 198 | = |
|
| 8. | 373 | + | 221 | = |
|
| 9. | 320 | + | 312 | = |
|
| 10. | 264 | + | 161 | = |
|
| Oefening 2 | |||||
| 1. | 475 | + | 332 | = |
|
| 2. | 451 | + | 159 | = |
|
| 3. | 350 | + | 165 | = |
|
| 4. | 379 | + | 164 | = |
|
| 5. | 489 | + | 207 | = |
|
| 6. | 370 | + | 323 | = |
|
| 7. | 498 | + | 168 | = |
|
| 8. | 410 | + | 207 | = |
|
| 9. | 404 | + | 233 | = |
|
| 10. | 301 | + | 296 | = |
|
| Oefening 3 | |||||
| 1. | 422 | + | 326 | = |
|
| 2. | 267 | + | 201 | = |
|
| 3. | 310 | + | 113 | = |
|
| 4. | 230 | + | 215 | = |
|
| 5. | 136 | + | 107 | = |
|
| 6. | 451 | + | 237 | = |
|
| 7. | 317 | + | 153 | = |
|
| 8. | 484 | + | 409 | = |
|
| 9. | 482 | + | 361 | = |
|
| 10. | 249 | + | 157 | = |
|
| Oefening 4 | |||||
| 1. | 489 | + | 469 | = |
|
| 2. | 337 | + | 145 | = |
|
| 3. | 464 | + | 276 | = |
|
| 4. | 381 | + | 370 | = |
|
| 5. | 179 | + | 119 | = |
|
| 6. | 401 | + | 276 | = |
|
| 7. | 317 | + | 144 | = |
|
| 8. | 307 | + | 112 | = |
|
| 9. | 312 | + | 243 | = |
|
| 10. | 466 | + | 209 | = |
|