Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 354 | + | 290 | = |
|
| 2. | 237 | + | 207 | = |
|
| 3. | 390 | + | 381 | = |
|
| 4. | 494 | + | 163 | = |
|
| 5. | 445 | + | 127 | = |
|
| 6. | 497 | + | 173 | = |
|
| 7. | 310 | + | 162 | = |
|
| 8. | 253 | + | 122 | = |
|
| 9. | 333 | + | 123 | = |
|
| 10. | 335 | + | 223 | = |
|
| Oefening 2 | |||||
| 1. | 292 | + | 282 | = |
|
| 2. | 452 | + | 368 | = |
|
| 3. | 114 | + | 113 | = |
|
| 4. | 490 | + | 269 | = |
|
| 5. | 343 | + | 155 | = |
|
| 6. | 499 | + | 469 | = |
|
| 7. | 434 | + | 422 | = |
|
| 8. | 416 | + | 375 | = |
|
| 9. | 484 | + | 185 | = |
|
| 10. | 285 | + | 268 | = |
|
| Oefening 3 | |||||
| 1. | 309 | + | 201 | = |
|
| 2. | 213 | + | 128 | = |
|
| 3. | 438 | + | 171 | = |
|
| 4. | 411 | + | 239 | = |
|
| 5. | 460 | + | 115 | = |
|
| 6. | 287 | + | 140 | = |
|
| 7. | 446 | + | 250 | = |
|
| 8. | 395 | + | 154 | = |
|
| 9. | 484 | + | 459 | = |
|
| 10. | 259 | + | 225 | = |
|
| Oefening 4 | |||||
| 1. | 499 | + | 307 | = |
|
| 2. | 308 | + | 122 | = |
|
| 3. | 458 | + | 446 | = |
|
| 4. | 198 | + | 147 | = |
|
| 5. | 455 | + | 270 | = |
|
| 6. | 393 | + | 276 | = |
|
| 7. | 298 | + | 204 | = |
|
| 8. | 334 | + | 303 | = |
|
| 9. | 176 | + | 129 | = |
|
| 10. | 382 | + | 206 | = |
|