Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 490 | + | 312 | = |
|
| 2. | 332 | + | 191 | = |
|
| 3. | 475 | + | 161 | = |
|
| 4. | 462 | + | 433 | = |
|
| 5. | 431 | + | 309 | = |
|
| 6. | 415 | + | 255 | = |
|
| 7. | 440 | + | 437 | = |
|
| 8. | 403 | + | 378 | = |
|
| 9. | 431 | + | 141 | = |
|
| 10. | 498 | + | 479 | = |
|
| Oefening 2 | |||||
| 1. | 221 | + | 124 | = |
|
| 2. | 385 | + | 355 | = |
|
| 3. | 370 | + | 262 | = |
|
| 4. | 420 | + | 246 | = |
|
| 5. | 178 | + | 127 | = |
|
| 6. | 227 | + | 143 | = |
|
| 7. | 446 | + | 290 | = |
|
| 8. | 403 | + | 105 | = |
|
| 9. | 384 | + | 234 | = |
|
| 10. | 305 | + | 290 | = |
|
| Oefening 3 | |||||
| 1. | 395 | + | 370 | = |
|
| 2. | 417 | + | 414 | = |
|
| 3. | 442 | + | 413 | = |
|
| 4. | 210 | + | 180 | = |
|
| 5. | 467 | + | 260 | = |
|
| 6. | 496 | + | 332 | = |
|
| 7. | 411 | + | 330 | = |
|
| 8. | 421 | + | 293 | = |
|
| 9. | 191 | + | 183 | = |
|
| 10. | 437 | + | 152 | = |
|
| Oefening 4 | |||||
| 1. | 463 | + | 163 | = |
|
| 2. | 425 | + | 356 | = |
|
| 3. | 404 | + | 383 | = |
|
| 4. | 463 | + | 307 | = |
|
| 5. | 432 | + | 115 | = |
|
| 6. | 431 | + | 129 | = |
|
| 7. | 419 | + | 163 | = |
|
| 8. | 464 | + | 251 | = |
|
| 9. | 328 | + | 246 | = |
|
| 10. | 458 | + | 388 | = |
|