Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 449 | + | 337 | = |
|
| 2. | 416 | + | 189 | = |
|
| 3. | 393 | + | 371 | = |
|
| 4. | 411 | + | 241 | = |
|
| 5. | 341 | + | 216 | = |
|
| 6. | 459 | + | 359 | = |
|
| 7. | 217 | + | 125 | = |
|
| 8. | 278 | + | 116 | = |
|
| 9. | 328 | + | 176 | = |
|
| 10. | 481 | + | 118 | = |
|
| Oefening 2 | |||||
| 1. | 220 | + | 106 | = |
|
| 2. | 307 | + | 201 | = |
|
| 3. | 342 | + | 168 | = |
|
| 4. | 488 | + | 187 | = |
|
| 5. | 470 | + | 290 | = |
|
| 6. | 288 | + | 287 | = |
|
| 7. | 386 | + | 376 | = |
|
| 8. | 316 | + | 144 | = |
|
| 9. | 452 | + | 327 | = |
|
| 10. | 426 | + | 140 | = |
|
| Oefening 3 | |||||
| 1. | 330 | + | 279 | = |
|
| 2. | 452 | + | 277 | = |
|
| 3. | 435 | + | 338 | = |
|
| 4. | 296 | + | 151 | = |
|
| 5. | 398 | + | 146 | = |
|
| 6. | 477 | + | 470 | = |
|
| 7. | 151 | + | 108 | = |
|
| 8. | 344 | + | 173 | = |
|
| 9. | 475 | + | 226 | = |
|
| 10. | 257 | + | 159 | = |
|
| Oefening 4 | |||||
| 1. | 199 | + | 115 | = |
|
| 2. | 499 | + | 155 | = |
|
| 3. | 400 | + | 307 | = |
|
| 4. | 461 | + | 383 | = |
|
| 5. | 287 | + | 204 | = |
|
| 6. | 309 | + | 257 | = |
|
| 7. | 333 | + | 298 | = |
|
| 8. | 499 | + | 427 | = |
|
| 9. | 449 | + | 239 | = |
|
| 10. | 465 | + | 286 | = |
|