Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 495 | + | 336 | = |
|
| 2. | 381 | + | 289 | = |
|
| 3. | 248 | + | 104 | = |
|
| 4. | 491 | + | 213 | = |
|
| 5. | 420 | + | 165 | = |
|
| 6. | 481 | + | 228 | = |
|
| 7. | 454 | + | 328 | = |
|
| 8. | 496 | + | 129 | = |
|
| 9. | 354 | + | 227 | = |
|
| 10. | 365 | + | 308 | = |
|
| Oefening 2 | |||||
| 1. | 171 | + | 147 | = |
|
| 2. | 399 | + | 281 | = |
|
| 3. | 334 | + | 273 | = |
|
| 4. | 435 | + | 349 | = |
|
| 5. | 154 | + | 104 | = |
|
| 6. | 470 | + | 344 | = |
|
| 7. | 289 | + | 171 | = |
|
| 8. | 338 | + | 227 | = |
|
| 9. | 368 | + | 210 | = |
|
| 10. | 423 | + | 366 | = |
|
| Oefening 3 | |||||
| 1. | 433 | + | 385 | = |
|
| 2. | 374 | + | 289 | = |
|
| 3. | 409 | + | 110 | = |
|
| 4. | 499 | + | 368 | = |
|
| 5. | 382 | + | 213 | = |
|
| 6. | 266 | + | 165 | = |
|
| 7. | 463 | + | 229 | = |
|
| 8. | 480 | + | 169 | = |
|
| 9. | 350 | + | 251 | = |
|
| 10. | 277 | + | 237 | = |
|
| Oefening 4 | |||||
| 1. | 258 | + | 142 | = |
|
| 2. | 488 | + | 350 | = |
|
| 3. | 457 | + | 155 | = |
|
| 4. | 271 | + | 120 | = |
|
| 5. | 384 | + | 204 | = |
|
| 6. | 147 | + | 144 | = |
|
| 7. | 389 | + | 191 | = |
|
| 8. | 391 | + | 268 | = |
|
| 9. | 143 | + | 112 | = |
|
| 10. | 381 | + | 312 | = |
|