Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 403 | + | 352 | = |
|
| 2. | 420 | + | 317 | = |
|
| 3. | 487 | + | 233 | = |
|
| 4. | 474 | + | 190 | = |
|
| 5. | 364 | + | 264 | = |
|
| 6. | 480 | + | 132 | = |
|
| 7. | 421 | + | 253 | = |
|
| 8. | 457 | + | 444 | = |
|
| 9. | 312 | + | 229 | = |
|
| 10. | 406 | + | 343 | = |
|
| Oefening 2 | |||||
| 1. | 381 | + | 290 | = |
|
| 2. | 486 | + | 442 | = |
|
| 3. | 427 | + | 189 | = |
|
| 4. | 348 | + | 273 | = |
|
| 5. | 254 | + | 224 | = |
|
| 6. | 327 | + | 124 | = |
|
| 7. | 456 | + | 395 | = |
|
| 8. | 172 | + | 139 | = |
|
| 9. | 301 | + | 105 | = |
|
| 10. | 390 | + | 188 | = |
|
| Oefening 3 | |||||
| 1. | 480 | + | 229 | = |
|
| 2. | 385 | + | 238 | = |
|
| 3. | 491 | + | 433 | = |
|
| 4. | 459 | + | 175 | = |
|
| 5. | 429 | + | 268 | = |
|
| 6. | 400 | + | 196 | = |
|
| 7. | 487 | + | 274 | = |
|
| 8. | 447 | + | 297 | = |
|
| 9. | 327 | + | 144 | = |
|
| 10. | 468 | + | 318 | = |
|
| Oefening 4 | |||||
| 1. | 451 | + | 180 | = |
|
| 2. | 248 | + | 150 | = |
|
| 3. | 428 | + | 272 | = |
|
| 4. | 487 | + | 342 | = |
|
| 5. | 471 | + | 463 | = |
|
| 6. | 392 | + | 297 | = |
|
| 7. | 480 | + | 422 | = |
|
| 8. | 489 | + | 119 | = |
|
| 9. | 455 | + | 306 | = |
|
| 10. | 492 | + | 359 | = |
|