Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 480 | + | 399 | = |
|
| 2. | 465 | + | 324 | = |
|
| 3. | 274 | + | 251 | = |
|
| 4. | 391 | + | 261 | = |
|
| 5. | 323 | + | 311 | = |
|
| 6. | 392 | + | 365 | = |
|
| 7. | 493 | + | 361 | = |
|
| 8. | 405 | + | 317 | = |
|
| 9. | 454 | + | 298 | = |
|
| 10. | 393 | + | 205 | = |
|
| Oefening 2 | |||||
| 1. | 500 | + | 485 | = |
|
| 2. | 496 | + | 233 | = |
|
| 3. | 419 | + | 129 | = |
|
| 4. | 315 | + | 170 | = |
|
| 5. | 253 | + | 207 | = |
|
| 6. | 188 | + | 145 | = |
|
| 7. | 265 | + | 155 | = |
|
| 8. | 405 | + | 160 | = |
|
| 9. | 290 | + | 256 | = |
|
| 10. | 157 | + | 156 | = |
|
| Oefening 3 | |||||
| 1. | 441 | + | 334 | = |
|
| 2. | 254 | + | 143 | = |
|
| 3. | 224 | + | 214 | = |
|
| 4. | 413 | + | 186 | = |
|
| 5. | 350 | + | 344 | = |
|
| 6. | 405 | + | 209 | = |
|
| 7. | 478 | + | 106 | = |
|
| 8. | 280 | + | 113 | = |
|
| 9. | 468 | + | 346 | = |
|
| 10. | 288 | + | 151 | = |
|
| Oefening 4 | |||||
| 1. | 492 | + | 328 | = |
|
| 2. | 322 | + | 118 | = |
|
| 3. | 191 | + | 123 | = |
|
| 4. | 483 | + | 421 | = |
|
| 5. | 324 | + | 172 | = |
|
| 6. | 395 | + | 315 | = |
|
| 7. | 338 | + | 240 | = |
|
| 8. | 295 | + | 113 | = |
|
| 9. | 431 | + | 422 | = |
|
| 10. | 344 | + | 100 | = |
|