Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 210 | + | 131 | = |
|
| 2. | 299 | + | 120 | = |
|
| 3. | 168 | + | 158 | = |
|
| 4. | 481 | + | 480 | = |
|
| 5. | 293 | + | 129 | = |
|
| 6. | 493 | + | 309 | = |
|
| 7. | 442 | + | 421 | = |
|
| 8. | 452 | + | 370 | = |
|
| 9. | 415 | + | 223 | = |
|
| 10. | 283 | + | 243 | = |
|
| Oefening 2 | |||||
| 1. | 383 | + | 299 | = |
|
| 2. | 493 | + | 317 | = |
|
| 3. | 494 | + | 138 | = |
|
| 4. | 344 | + | 339 | = |
|
| 5. | 288 | + | 212 | = |
|
| 6. | 279 | + | 135 | = |
|
| 7. | 459 | + | 422 | = |
|
| 8. | 236 | + | 120 | = |
|
| 9. | 405 | + | 284 | = |
|
| 10. | 332 | + | 112 | = |
|
| Oefening 3 | |||||
| 1. | 442 | + | 156 | = |
|
| 2. | 240 | + | 237 | = |
|
| 3. | 380 | + | 316 | = |
|
| 4. | 490 | + | 453 | = |
|
| 5. | 496 | + | 123 | = |
|
| 6. | 409 | + | 310 | = |
|
| 7. | 409 | + | 195 | = |
|
| 8. | 162 | + | 110 | = |
|
| 9. | 442 | + | 156 | = |
|
| 10. | 270 | + | 252 | = |
|
| Oefening 4 | |||||
| 1. | 479 | + | 209 | = |
|
| 2. | 492 | + | 380 | = |
|
| 3. | 453 | + | 407 | = |
|
| 4. | 478 | + | 298 | = |
|
| 5. | 348 | + | 311 | = |
|
| 6. | 385 | + | 294 | = |
|
| 7. | 443 | + | 384 | = |
|
| 8. | 487 | + | 438 | = |
|
| 9. | 264 | + | 145 | = |
|
| 10. | 452 | + | 416 | = |
|