Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 236 | + | 178 | = |
|
| 2. | 487 | + | 449 | = |
|
| 3. | 435 | + | 348 | = |
|
| 4. | 339 | + | 317 | = |
|
| 5. | 409 | + | 274 | = |
|
| 6. | 456 | + | 437 | = |
|
| 7. | 288 | + | 208 | = |
|
| 8. | 446 | + | 366 | = |
|
| 9. | 452 | + | 113 | = |
|
| 10. | 325 | + | 143 | = |
|
| Oefening 2 | |||||
| 1. | 422 | + | 346 | = |
|
| 2. | 391 | + | 184 | = |
|
| 3. | 378 | + | 104 | = |
|
| 4. | 432 | + | 270 | = |
|
| 5. | 233 | + | 117 | = |
|
| 6. | 384 | + | 341 | = |
|
| 7. | 434 | + | 431 | = |
|
| 8. | 391 | + | 231 | = |
|
| 9. | 464 | + | 440 | = |
|
| 10. | 447 | + | 286 | = |
|
| Oefening 3 | |||||
| 1. | 397 | + | 361 | = |
|
| 2. | 178 | + | 174 | = |
|
| 3. | 336 | + | 290 | = |
|
| 4. | 319 | + | 209 | = |
|
| 5. | 361 | + | 203 | = |
|
| 6. | 311 | + | 118 | = |
|
| 7. | 453 | + | 327 | = |
|
| 8. | 485 | + | 266 | = |
|
| 9. | 190 | + | 161 | = |
|
| 10. | 295 | + | 280 | = |
|
| Oefening 4 | |||||
| 1. | 269 | + | 222 | = |
|
| 2. | 272 | + | 135 | = |
|
| 3. | 339 | + | 278 | = |
|
| 4. | 344 | + | 132 | = |
|
| 5. | 419 | + | 285 | = |
|
| 6. | 375 | + | 363 | = |
|
| 7. | 366 | + | 290 | = |
|
| 8. | 372 | + | 170 | = |
|
| 9. | 384 | + | 343 | = |
|
| 10. | 394 | + | 114 | = |
|