Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 402 | + | 231 | = |
|
| 2. | 473 | + | 284 | = |
|
| 3. | 485 | + | 326 | = |
|
| 4. | 483 | + | 202 | = |
|
| 5. | 354 | + | 274 | = |
|
| 6. | 438 | + | 244 | = |
|
| 7. | 442 | + | 315 | = |
|
| 8. | 248 | + | 174 | = |
|
| 9. | 483 | + | 382 | = |
|
| 10. | 297 | + | 208 | = |
|
| Oefening 2 | |||||
| 1. | 434 | + | 302 | = |
|
| 2. | 261 | + | 116 | = |
|
| 3. | 481 | + | 377 | = |
|
| 4. | 292 | + | 176 | = |
|
| 5. | 443 | + | 197 | = |
|
| 6. | 308 | + | 297 | = |
|
| 7. | 355 | + | 258 | = |
|
| 8. | 386 | + | 113 | = |
|
| 9. | 399 | + | 264 | = |
|
| 10. | 461 | + | 177 | = |
|
| Oefening 3 | |||||
| 1. | 462 | + | 352 | = |
|
| 2. | 280 | + | 161 | = |
|
| 3. | 409 | + | 299 | = |
|
| 4. | 348 | + | 175 | = |
|
| 5. | 335 | + | 156 | = |
|
| 6. | 302 | + | 279 | = |
|
| 7. | 498 | + | 458 | = |
|
| 8. | 432 | + | 396 | = |
|
| 9. | 234 | + | 188 | = |
|
| 10. | 490 | + | 409 | = |
|
| Oefening 4 | |||||
| 1. | 155 | + | 144 | = |
|
| 2. | 266 | + | 122 | = |
|
| 3. | 281 | + | 245 | = |
|
| 4. | 213 | + | 160 | = |
|
| 5. | 298 | + | 296 | = |
|
| 6. | 481 | + | 110 | = |
|
| 7. | 319 | + | 129 | = |
|
| 8. | 324 | + | 135 | = |
|
| 9. | 437 | + | 142 | = |
|
| 10. | 363 | + | 335 | = |
|