Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 461 | + | 309 | = |
|
| 2. | 426 | + | 348 | = |
|
| 3. | 362 | + | 217 | = |
|
| 4. | 363 | + | 107 | = |
|
| 5. | 339 | + | 312 | = |
|
| 6. | 363 | + | 108 | = |
|
| 7. | 453 | + | 142 | = |
|
| 8. | 495 | + | 278 | = |
|
| 9. | 442 | + | 399 | = |
|
| 10. | 414 | + | 196 | = |
|
| Oefening 2 | |||||
| 1. | 285 | + | 163 | = |
|
| 2. | 297 | + | 275 | = |
|
| 3. | 483 | + | 479 | = |
|
| 4. | 327 | + | 293 | = |
|
| 5. | 313 | + | 222 | = |
|
| 6. | 262 | + | 234 | = |
|
| 7. | 474 | + | 170 | = |
|
| 8. | 248 | + | 158 | = |
|
| 9. | 380 | + | 112 | = |
|
| 10. | 392 | + | 390 | = |
|
| Oefening 3 | |||||
| 1. | 438 | + | 196 | = |
|
| 2. | 416 | + | 123 | = |
|
| 3. | 293 | + | 142 | = |
|
| 4. | 492 | + | 377 | = |
|
| 5. | 275 | + | 197 | = |
|
| 6. | 297 | + | 228 | = |
|
| 7. | 404 | + | 349 | = |
|
| 8. | 429 | + | 359 | = |
|
| 9. | 361 | + | 126 | = |
|
| 10. | 350 | + | 165 | = |
|
| Oefening 4 | |||||
| 1. | 252 | + | 146 | = |
|
| 2. | 356 | + | 100 | = |
|
| 3. | 367 | + | 221 | = |
|
| 4. | 328 | + | 110 | = |
|
| 5. | 313 | + | 164 | = |
|
| 6. | 378 | + | 130 | = |
|
| 7. | 265 | + | 204 | = |
|
| 8. | 336 | + | 214 | = |
|
| 9. | 267 | + | 218 | = |
|
| 10. | 393 | + | 383 | = |
|