Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 239 | + | 205 | = |
|
| 2. | 476 | + | 306 | = |
|
| 3. | 444 | + | 141 | = |
|
| 4. | 466 | + | 378 | = |
|
| 5. | 330 | + | 153 | = |
|
| 6. | 407 | + | 128 | = |
|
| 7. | 286 | + | 160 | = |
|
| 8. | 466 | + | 360 | = |
|
| 9. | 234 | + | 225 | = |
|
| 10. | 471 | + | 456 | = |
|
| Oefening 2 | |||||
| 1. | 477 | + | 250 | = |
|
| 2. | 364 | + | 226 | = |
|
| 3. | 252 | + | 154 | = |
|
| 4. | 453 | + | 129 | = |
|
| 5. | 494 | + | 429 | = |
|
| 6. | 380 | + | 270 | = |
|
| 7. | 437 | + | 372 | = |
|
| 8. | 492 | + | 414 | = |
|
| 9. | 461 | + | 433 | = |
|
| 10. | 235 | + | 137 | = |
|
| Oefening 3 | |||||
| 1. | 470 | + | 243 | = |
|
| 2. | 377 | + | 172 | = |
|
| 3. | 460 | + | 388 | = |
|
| 4. | 453 | + | 292 | = |
|
| 5. | 483 | + | 403 | = |
|
| 6. | 274 | + | 130 | = |
|
| 7. | 335 | + | 170 | = |
|
| 8. | 463 | + | 273 | = |
|
| 9. | 371 | + | 213 | = |
|
| 10. | 449 | + | 362 | = |
|
| Oefening 4 | |||||
| 1. | 494 | + | 479 | = |
|
| 2. | 197 | + | 147 | = |
|
| 3. | 263 | + | 234 | = |
|
| 4. | 376 | + | 104 | = |
|
| 5. | 319 | + | 103 | = |
|
| 6. | 451 | + | 211 | = |
|
| 7. | 479 | + | 308 | = |
|
| 8. | 300 | + | 106 | = |
|
| 9. | 299 | + | 246 | = |
|
| 10. | 290 | + | 134 | = |
|