Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 486 | + | 443 | = |
|
| 2. | 233 | + | 112 | = |
|
| 3. | 463 | + | 409 | = |
|
| 4. | 174 | + | 104 | = |
|
| 5. | 180 | + | 139 | = |
|
| 6. | 448 | + | 360 | = |
|
| 7. | 271 | + | 103 | = |
|
| 8. | 293 | + | 115 | = |
|
| 9. | 347 | + | 202 | = |
|
| 10. | 263 | + | 200 | = |
|
| Oefening 2 | |||||
| 1. | 459 | + | 425 | = |
|
| 2. | 455 | + | 369 | = |
|
| 3. | 382 | + | 360 | = |
|
| 4. | 320 | + | 267 | = |
|
| 5. | 493 | + | 324 | = |
|
| 6. | 318 | + | 260 | = |
|
| 7. | 498 | + | 365 | = |
|
| 8. | 480 | + | 466 | = |
|
| 9. | 408 | + | 327 | = |
|
| 10. | 451 | + | 201 | = |
|
| Oefening 3 | |||||
| 1. | 230 | + | 219 | = |
|
| 2. | 398 | + | 156 | = |
|
| 3. | 482 | + | 137 | = |
|
| 4. | 364 | + | 331 | = |
|
| 5. | 405 | + | 301 | = |
|
| 6. | 489 | + | 261 | = |
|
| 7. | 236 | + | 177 | = |
|
| 8. | 496 | + | 464 | = |
|
| 9. | 246 | + | 199 | = |
|
| 10. | 371 | + | 158 | = |
|
| Oefening 4 | |||||
| 1. | 262 | + | 156 | = |
|
| 2. | 410 | + | 106 | = |
|
| 3. | 391 | + | 157 | = |
|
| 4. | 356 | + | 272 | = |
|
| 5. | 455 | + | 347 | = |
|
| 6. | 199 | + | 123 | = |
|
| 7. | 205 | + | 128 | = |
|
| 8. | 470 | + | 410 | = |
|
| 9. | 474 | + | 217 | = |
|
| 10. | 487 | + | 218 | = |
|