Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 217 | + | 134 | = |
|
| 2. | 411 | + | 378 | = |
|
| 3. | 213 | + | 124 | = |
|
| 4. | 482 | + | 457 | = |
|
| 5. | 498 | + | 430 | = |
|
| 6. | 341 | + | 193 | = |
|
| 7. | 476 | + | 216 | = |
|
| 8. | 324 | + | 139 | = |
|
| 9. | 339 | + | 193 | = |
|
| 10. | 492 | + | 374 | = |
|
| Oefening 2 | |||||
| 1. | 490 | + | 266 | = |
|
| 2. | 289 | + | 266 | = |
|
| 3. | 473 | + | 225 | = |
|
| 4. | 408 | + | 280 | = |
|
| 5. | 488 | + | 292 | = |
|
| 6. | 418 | + | 365 | = |
|
| 7. | 460 | + | 225 | = |
|
| 8. | 396 | + | 243 | = |
|
| 9. | 439 | + | 139 | = |
|
| 10. | 166 | + | 136 | = |
|
| Oefening 3 | |||||
| 1. | 491 | + | 221 | = |
|
| 2. | 475 | + | 415 | = |
|
| 3. | 234 | + | 162 | = |
|
| 4. | 354 | + | 328 | = |
|
| 5. | 234 | + | 195 | = |
|
| 6. | 394 | + | 313 | = |
|
| 7. | 438 | + | 404 | = |
|
| 8. | 302 | + | 159 | = |
|
| 9. | 285 | + | 192 | = |
|
| 10. | 326 | + | 147 | = |
|
| Oefening 4 | |||||
| 1. | 277 | + | 177 | = |
|
| 2. | 253 | + | 156 | = |
|
| 3. | 494 | + | 282 | = |
|
| 4. | 483 | + | 229 | = |
|
| 5. | 268 | + | 102 | = |
|
| 6. | 495 | + | 461 | = |
|
| 7. | 483 | + | 309 | = |
|
| 8. | 421 | + | 302 | = |
|
| 9. | 436 | + | 369 | = |
|
| 10. | 441 | + | 391 | = |
|