Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 334 | + | 333 | = |
|
| 2. | 481 | + | 246 | = |
|
| 3. | 500 | + | 214 | = |
|
| 4. | 319 | + | 201 | = |
|
| 5. | 225 | + | 210 | = |
|
| 6. | 409 | + | 164 | = |
|
| 7. | 475 | + | 137 | = |
|
| 8. | 486 | + | 478 | = |
|
| 9. | 403 | + | 352 | = |
|
| 10. | 473 | + | 433 | = |
|
| Oefening 2 | |||||
| 1. | 235 | + | 188 | = |
|
| 2. | 420 | + | 376 | = |
|
| 3. | 486 | + | 338 | = |
|
| 4. | 285 | + | 191 | = |
|
| 5. | 439 | + | 387 | = |
|
| 6. | 351 | + | 126 | = |
|
| 7. | 433 | + | 128 | = |
|
| 8. | 457 | + | 192 | = |
|
| 9. | 256 | + | 207 | = |
|
| 10. | 398 | + | 134 | = |
|
| Oefening 3 | |||||
| 1. | 485 | + | 454 | = |
|
| 2. | 295 | + | 156 | = |
|
| 3. | 248 | + | 199 | = |
|
| 4. | 355 | + | 125 | = |
|
| 5. | 111 | + | 101 | = |
|
| 6. | 350 | + | 259 | = |
|
| 7. | 274 | + | 218 | = |
|
| 8. | 316 | + | 188 | = |
|
| 9. | 441 | + | 192 | = |
|
| 10. | 411 | + | 340 | = |
|
| Oefening 4 | |||||
| 1. | 135 | + | 127 | = |
|
| 2. | 376 | + | 106 | = |
|
| 3. | 455 | + | 115 | = |
|
| 4. | 447 | + | 381 | = |
|
| 5. | 233 | + | 169 | = |
|
| 6. | 492 | + | 291 | = |
|
| 7. | 238 | + | 106 | = |
|
| 8. | 336 | + | 256 | = |
|
| 9. | 223 | + | 122 | = |
|
| 10. | 471 | + | 152 | = |
|