Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 447 | + | 398 | = |
|
| 2. | 423 | + | 162 | = |
|
| 3. | 239 | + | 181 | = |
|
| 4. | 441 | + | 245 | = |
|
| 5. | 357 | + | 242 | = |
|
| 6. | 278 | + | 121 | = |
|
| 7. | 342 | + | 144 | = |
|
| 8. | 423 | + | 204 | = |
|
| 9. | 296 | + | 270 | = |
|
| 10. | 270 | + | 118 | = |
|
| Oefening 2 | |||||
| 1. | 494 | + | 468 | = |
|
| 2. | 394 | + | 291 | = |
|
| 3. | 243 | + | 197 | = |
|
| 4. | 272 | + | 111 | = |
|
| 5. | 464 | + | 361 | = |
|
| 6. | 443 | + | 145 | = |
|
| 7. | 392 | + | 164 | = |
|
| 8. | 269 | + | 173 | = |
|
| 9. | 498 | + | 282 | = |
|
| 10. | 476 | + | 429 | = |
|
| Oefening 3 | |||||
| 1. | 493 | + | 247 | = |
|
| 2. | 286 | + | 283 | = |
|
| 3. | 299 | + | 239 | = |
|
| 4. | 361 | + | 281 | = |
|
| 5. | 333 | + | 235 | = |
|
| 6. | 160 | + | 158 | = |
|
| 7. | 385 | + | 232 | = |
|
| 8. | 459 | + | 140 | = |
|
| 9. | 484 | + | 442 | = |
|
| 10. | 413 | + | 400 | = |
|
| Oefening 4 | |||||
| 1. | 447 | + | 251 | = |
|
| 2. | 447 | + | 337 | = |
|
| 3. | 304 | + | 286 | = |
|
| 4. | 456 | + | 331 | = |
|
| 5. | 488 | + | 403 | = |
|
| 6. | 232 | + | 202 | = |
|
| 7. | 492 | + | 147 | = |
|
| 8. | 212 | + | 171 | = |
|
| 9. | 405 | + | 134 | = |
|
| 10. | 333 | + | 293 | = |
|