Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 387 | + | 134 | = |
|
| 2. | 435 | + | 271 | = |
|
| 3. | 220 | + | 144 | = |
|
| 4. | 316 | + | 220 | = |
|
| 5. | 438 | + | 255 | = |
|
| 6. | 473 | + | 271 | = |
|
| 7. | 428 | + | 309 | = |
|
| 8. | 425 | + | 237 | = |
|
| 9. | 258 | + | 227 | = |
|
| 10. | 398 | + | 319 | = |
|
| Oefening 2 | |||||
| 1. | 358 | + | 260 | = |
|
| 2. | 232 | + | 222 | = |
|
| 3. | 490 | + | 427 | = |
|
| 4. | 279 | + | 143 | = |
|
| 5. | 490 | + | 161 | = |
|
| 6. | 406 | + | 161 | = |
|
| 7. | 469 | + | 134 | = |
|
| 8. | 406 | + | 338 | = |
|
| 9. | 412 | + | 157 | = |
|
| 10. | 417 | + | 140 | = |
|
| Oefening 3 | |||||
| 1. | 443 | + | 138 | = |
|
| 2. | 215 | + | 112 | = |
|
| 3. | 175 | + | 161 | = |
|
| 4. | 406 | + | 352 | = |
|
| 5. | 361 | + | 346 | = |
|
| 6. | 393 | + | 109 | = |
|
| 7. | 408 | + | 276 | = |
|
| 8. | 410 | + | 222 | = |
|
| 9. | 352 | + | 106 | = |
|
| 10. | 175 | + | 158 | = |
|
| Oefening 4 | |||||
| 1. | 435 | + | 116 | = |
|
| 2. | 265 | + | 255 | = |
|
| 3. | 351 | + | 250 | = |
|
| 4. | 500 | + | 140 | = |
|
| 5. | 452 | + | 155 | = |
|
| 6. | 340 | + | 331 | = |
|
| 7. | 493 | + | 487 | = |
|
| 8. | 495 | + | 382 | = |
|
| 9. | 263 | + | 124 | = |
|
| 10. | 237 | + | 203 | = |
|