Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 485 | + | 254 | = |
|
| 2. | 328 | + | 308 | = |
|
| 3. | 414 | + | 251 | = |
|
| 4. | 446 | + | 157 | = |
|
| 5. | 415 | + | 366 | = |
|
| 6. | 412 | + | 184 | = |
|
| 7. | 446 | + | 391 | = |
|
| 8. | 278 | + | 246 | = |
|
| 9. | 476 | + | 241 | = |
|
| 10. | 450 | + | 338 | = |
|
| Oefening 2 | |||||
| 1. | 245 | + | 218 | = |
|
| 2. | 491 | + | 224 | = |
|
| 3. | 390 | + | 328 | = |
|
| 4. | 298 | + | 282 | = |
|
| 5. | 291 | + | 186 | = |
|
| 6. | 306 | + | 290 | = |
|
| 7. | 256 | + | 128 | = |
|
| 8. | 447 | + | 223 | = |
|
| 9. | 327 | + | 120 | = |
|
| 10. | 299 | + | 105 | = |
|
| Oefening 3 | |||||
| 1. | 487 | + | 340 | = |
|
| 2. | 379 | + | 369 | = |
|
| 3. | 408 | + | 391 | = |
|
| 4. | 444 | + | 154 | = |
|
| 5. | 484 | + | 307 | = |
|
| 6. | 435 | + | 244 | = |
|
| 7. | 253 | + | 100 | = |
|
| 8. | 292 | + | 265 | = |
|
| 9. | 253 | + | 197 | = |
|
| 10. | 265 | + | 148 | = |
|
| Oefening 4 | |||||
| 1. | 464 | + | 137 | = |
|
| 2. | 338 | + | 307 | = |
|
| 3. | 287 | + | 252 | = |
|
| 4. | 422 | + | 153 | = |
|
| 5. | 336 | + | 170 | = |
|
| 6. | 444 | + | 407 | = |
|
| 7. | 481 | + | 332 | = |
|
| 8. | 425 | + | 334 | = |
|
| 9. | 307 | + | 248 | = |
|
| 10. | 105 | + | 104 | = |
|