Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 491 | + | 461 | = |
|
| 2. | 282 | + | 261 | = |
|
| 3. | 470 | + | 422 | = |
|
| 4. | 354 | + | 190 | = |
|
| 5. | 404 | + | 249 | = |
|
| 6. | 383 | + | 241 | = |
|
| 7. | 409 | + | 349 | = |
|
| 8. | 357 | + | 171 | = |
|
| 9. | 349 | + | 300 | = |
|
| 10. | 245 | + | 135 | = |
|
| Oefening 2 | |||||
| 1. | 417 | + | 172 | = |
|
| 2. | 205 | + | 194 | = |
|
| 3. | 346 | + | 177 | = |
|
| 4. | 360 | + | 215 | = |
|
| 5. | 357 | + | 225 | = |
|
| 6. | 326 | + | 277 | = |
|
| 7. | 239 | + | 153 | = |
|
| 8. | 384 | + | 207 | = |
|
| 9. | 360 | + | 348 | = |
|
| 10. | 209 | + | 117 | = |
|
| Oefening 3 | |||||
| 1. | 496 | + | 401 | = |
|
| 2. | 490 | + | 151 | = |
|
| 3. | 481 | + | 326 | = |
|
| 4. | 344 | + | 130 | = |
|
| 5. | 494 | + | 472 | = |
|
| 6. | 458 | + | 350 | = |
|
| 7. | 444 | + | 345 | = |
|
| 8. | 346 | + | 144 | = |
|
| 9. | 315 | + | 185 | = |
|
| 10. | 332 | + | 295 | = |
|
| Oefening 4 | |||||
| 1. | 479 | + | 395 | = |
|
| 2. | 340 | + | 250 | = |
|
| 3. | 382 | + | 325 | = |
|
| 4. | 369 | + | 173 | = |
|
| 5. | 431 | + | 257 | = |
|
| 6. | 452 | + | 360 | = |
|
| 7. | 309 | + | 159 | = |
|
| 8. | 399 | + | 276 | = |
|
| 9. | 310 | + | 212 | = |
|
| 10. | 381 | + | 138 | = |
|