Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 417 | + | 107 | = |
|
| 2. | 454 | + | 278 | = |
|
| 3. | 424 | + | 277 | = |
|
| 4. | 495 | + | 453 | = |
|
| 5. | 460 | + | 157 | = |
|
| 6. | 472 | + | 411 | = |
|
| 7. | 474 | + | 441 | = |
|
| 8. | 291 | + | 109 | = |
|
| 9. | 320 | + | 163 | = |
|
| 10. | 287 | + | 156 | = |
|
| Oefening 2 | |||||
| 1. | 443 | + | 374 | = |
|
| 2. | 423 | + | 348 | = |
|
| 3. | 358 | + | 168 | = |
|
| 4. | 152 | + | 129 | = |
|
| 5. | 281 | + | 201 | = |
|
| 6. | 350 | + | 225 | = |
|
| 7. | 331 | + | 155 | = |
|
| 8. | 393 | + | 121 | = |
|
| 9. | 350 | + | 132 | = |
|
| 10. | 412 | + | 279 | = |
|
| Oefening 3 | |||||
| 1. | 253 | + | 190 | = |
|
| 2. | 354 | + | 304 | = |
|
| 3. | 473 | + | 258 | = |
|
| 4. | 129 | + | 117 | = |
|
| 5. | 394 | + | 278 | = |
|
| 6. | 351 | + | 137 | = |
|
| 7. | 252 | + | 236 | = |
|
| 8. | 417 | + | 126 | = |
|
| 9. | 360 | + | 211 | = |
|
| 10. | 226 | + | 143 | = |
|
| Oefening 4 | |||||
| 1. | 164 | + | 129 | = |
|
| 2. | 379 | + | 240 | = |
|
| 3. | 228 | + | 185 | = |
|
| 4. | 405 | + | 331 | = |
|
| 5. | 220 | + | 209 | = |
|
| 6. | 458 | + | 409 | = |
|
| 7. | 478 | + | 462 | = |
|
| 8. | 403 | + | 114 | = |
|
| 9. | 281 | + | 205 | = |
|
| 10. | 429 | + | 133 | = |
|