Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 180 | + | 137 | = |
|
| 2. | 437 | + | 331 | = |
|
| 3. | 451 | + | 437 | = |
|
| 4. | 388 | + | 272 | = |
|
| 5. | 491 | + | 294 | = |
|
| 6. | 466 | + | 153 | = |
|
| 7. | 312 | + | 102 | = |
|
| 8. | 417 | + | 169 | = |
|
| 9. | 266 | + | 181 | = |
|
| 10. | 176 | + | 100 | = |
|
| Oefening 2 | |||||
| 1. | 460 | + | 335 | = |
|
| 2. | 391 | + | 325 | = |
|
| 3. | 268 | + | 231 | = |
|
| 4. | 405 | + | 301 | = |
|
| 5. | 446 | + | 262 | = |
|
| 6. | 435 | + | 263 | = |
|
| 7. | 113 | + | 105 | = |
|
| 8. | 464 | + | 159 | = |
|
| 9. | 383 | + | 109 | = |
|
| 10. | 478 | + | 456 | = |
|
| Oefening 3 | |||||
| 1. | 430 | + | 428 | = |
|
| 2. | 480 | + | 199 | = |
|
| 3. | 230 | + | 223 | = |
|
| 4. | 491 | + | 351 | = |
|
| 5. | 416 | + | 185 | = |
|
| 6. | 499 | + | 170 | = |
|
| 7. | 484 | + | 159 | = |
|
| 8. | 380 | + | 179 | = |
|
| 9. | 176 | + | 145 | = |
|
| 10. | 328 | + | 288 | = |
|
| Oefening 4 | |||||
| 1. | 488 | + | 395 | = |
|
| 2. | 422 | + | 256 | = |
|
| 3. | 484 | + | 388 | = |
|
| 4. | 380 | + | 364 | = |
|
| 5. | 169 | + | 124 | = |
|
| 6. | 310 | + | 264 | = |
|
| 7. | 405 | + | 138 | = |
|
| 8. | 247 | + | 204 | = |
|
| 9. | 290 | + | 210 | = |
|
| 10. | 497 | + | 375 | = |
|