Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 337 | + | 175 | = |
|
| 2. | 494 | + | 438 | = |
|
| 3. | 495 | + | 354 | = |
|
| 4. | 310 | + | 113 | = |
|
| 5. | 268 | + | 197 | = |
|
| 6. | 393 | + | 216 | = |
|
| 7. | 326 | + | 207 | = |
|
| 8. | 487 | + | 176 | = |
|
| 9. | 314 | + | 120 | = |
|
| 10. | 406 | + | 169 | = |
|
| Oefening 2 | |||||
| 1. | 251 | + | 204 | = |
|
| 2. | 427 | + | 339 | = |
|
| 3. | 461 | + | 314 | = |
|
| 4. | 276 | + | 175 | = |
|
| 5. | 414 | + | 192 | = |
|
| 6. | 367 | + | 148 | = |
|
| 7. | 460 | + | 210 | = |
|
| 8. | 393 | + | 166 | = |
|
| 9. | 276 | + | 260 | = |
|
| 10. | 393 | + | 194 | = |
|
| Oefening 3 | |||||
| 1. | 268 | + | 218 | = |
|
| 2. | 228 | + | 159 | = |
|
| 3. | 322 | + | 294 | = |
|
| 4. | 284 | + | 190 | = |
|
| 5. | 343 | + | 173 | = |
|
| 6. | 365 | + | 282 | = |
|
| 7. | 471 | + | 330 | = |
|
| 8. | 425 | + | 214 | = |
|
| 9. | 290 | + | 187 | = |
|
| 10. | 405 | + | 211 | = |
|
| Oefening 4 | |||||
| 1. | 459 | + | 109 | = |
|
| 2. | 419 | + | 179 | = |
|
| 3. | 496 | + | 396 | = |
|
| 4. | 440 | + | 437 | = |
|
| 5. | 235 | + | 225 | = |
|
| 6. | 410 | + | 308 | = |
|
| 7. | 345 | + | 115 | = |
|
| 8. | 343 | + | 136 | = |
|
| 9. | 482 | + | 321 | = |
|
| 10. | 125 | + | 105 | = |
|