Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 231 | + | 222 | = |
|
| 2. | 482 | + | 316 | = |
|
| 3. | 366 | + | 121 | = |
|
| 4. | 483 | + | 239 | = |
|
| 5. | 489 | + | 291 | = |
|
| 6. | 242 | + | 138 | = |
|
| 7. | 357 | + | 333 | = |
|
| 8. | 241 | + | 219 | = |
|
| 9. | 397 | + | 239 | = |
|
| 10. | 409 | + | 126 | = |
|
| Oefening 2 | |||||
| 1. | 333 | + | 191 | = |
|
| 2. | 344 | + | 252 | = |
|
| 3. | 169 | + | 105 | = |
|
| 4. | 328 | + | 198 | = |
|
| 5. | 164 | + | 106 | = |
|
| 6. | 406 | + | 314 | = |
|
| 7. | 291 | + | 279 | = |
|
| 8. | 397 | + | 153 | = |
|
| 9. | 343 | + | 150 | = |
|
| 10. | 170 | + | 119 | = |
|
| Oefening 3 | |||||
| 1. | 399 | + | 260 | = |
|
| 2. | 465 | + | 456 | = |
|
| 3. | 335 | + | 312 | = |
|
| 4. | 392 | + | 312 | = |
|
| 5. | 345 | + | 177 | = |
|
| 6. | 308 | + | 224 | = |
|
| 7. | 357 | + | 132 | = |
|
| 8. | 232 | + | 221 | = |
|
| 9. | 290 | + | 261 | = |
|
| 10. | 479 | + | 342 | = |
|
| Oefening 4 | |||||
| 1. | 482 | + | 351 | = |
|
| 2. | 482 | + | 310 | = |
|
| 3. | 496 | + | 306 | = |
|
| 4. | 377 | + | 157 | = |
|
| 5. | 423 | + | 422 | = |
|
| 6. | 427 | + | 114 | = |
|
| 7. | 439 | + | 311 | = |
|
| 8. | 496 | + | 144 | = |
|
| 9. | 290 | + | 149 | = |
|
| 10. | 418 | + | 303 | = |
|