Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 456 | + | 123 | = |
|
| 2. | 498 | + | 355 | = |
|
| 3. | 407 | + | 349 | = |
|
| 4. | 163 | + | 124 | = |
|
| 5. | 448 | + | 436 | = |
|
| 6. | 450 | + | 146 | = |
|
| 7. | 484 | + | 170 | = |
|
| 8. | 389 | + | 184 | = |
|
| 9. | 129 | + | 107 | = |
|
| 10. | 357 | + | 267 | = |
|
| Oefening 2 | |||||
| 1. | 375 | + | 161 | = |
|
| 2. | 366 | + | 289 | = |
|
| 3. | 328 | + | 245 | = |
|
| 4. | 478 | + | 224 | = |
|
| 5. | 412 | + | 337 | = |
|
| 6. | 383 | + | 336 | = |
|
| 7. | 483 | + | 250 | = |
|
| 8. | 500 | + | 137 | = |
|
| 9. | 494 | + | 352 | = |
|
| 10. | 421 | + | 189 | = |
|
| Oefening 3 | |||||
| 1. | 276 | + | 154 | = |
|
| 2. | 362 | + | 211 | = |
|
| 3. | 489 | + | 364 | = |
|
| 4. | 265 | + | 253 | = |
|
| 5. | 222 | + | 169 | = |
|
| 6. | 436 | + | 407 | = |
|
| 7. | 471 | + | 306 | = |
|
| 8. | 327 | + | 173 | = |
|
| 9. | 336 | + | 255 | = |
|
| 10. | 463 | + | 337 | = |
|
| Oefening 4 | |||||
| 1. | 357 | + | 338 | = |
|
| 2. | 354 | + | 205 | = |
|
| 3. | 288 | + | 114 | = |
|
| 4. | 261 | + | 135 | = |
|
| 5. | 397 | + | 222 | = |
|
| 6. | 390 | + | 271 | = |
|
| 7. | 397 | + | 103 | = |
|
| 8. | 485 | + | 311 | = |
|
| 9. | 260 | + | 243 | = |
|
| 10. | 343 | + | 341 | = |
|