Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 421 | + | 320 | = |
|
| 2. | 413 | + | 348 | = |
|
| 3. | 233 | + | 153 | = |
|
| 4. | 307 | + | 273 | = |
|
| 5. | 431 | + | 250 | = |
|
| 6. | 222 | + | 170 | = |
|
| 7. | 430 | + | 254 | = |
|
| 8. | 482 | + | 405 | = |
|
| 9. | 254 | + | 125 | = |
|
| 10. | 234 | + | 202 | = |
|
| Oefening 2 | |||||
| 1. | 198 | + | 178 | = |
|
| 2. | 491 | + | 401 | = |
|
| 3. | 208 | + | 181 | = |
|
| 4. | 145 | + | 140 | = |
|
| 5. | 496 | + | 383 | = |
|
| 6. | 150 | + | 102 | = |
|
| 7. | 390 | + | 216 | = |
|
| 8. | 450 | + | 395 | = |
|
| 9. | 455 | + | 382 | = |
|
| 10. | 397 | + | 197 | = |
|
| Oefening 3 | |||||
| 1. | 499 | + | 453 | = |
|
| 2. | 446 | + | 345 | = |
|
| 3. | 430 | + | 169 | = |
|
| 4. | 185 | + | 102 | = |
|
| 5. | 364 | + | 201 | = |
|
| 6. | 311 | + | 295 | = |
|
| 7. | 341 | + | 247 | = |
|
| 8. | 397 | + | 189 | = |
|
| 9. | 344 | + | 210 | = |
|
| 10. | 151 | + | 129 | = |
|
| Oefening 4 | |||||
| 1. | 497 | + | 140 | = |
|
| 2. | 497 | + | 135 | = |
|
| 3. | 495 | + | 418 | = |
|
| 4. | 490 | + | 231 | = |
|
| 5. | 483 | + | 321 | = |
|
| 6. | 392 | + | 169 | = |
|
| 7. | 433 | + | 148 | = |
|
| 8. | 371 | + | 102 | = |
|
| 9. | 152 | + | 102 | = |
|
| 10. | 370 | + | 217 | = |
|