Erbijsommen tot 1.000
Erbijsommen
| Oefening 1 | |||||
| 1. | 417 | + | 121 | = |
|
| 2. | 258 | + | 173 | = |
|
| 3. | 192 | + | 138 | = |
|
| 4. | 346 | + | 171 | = |
|
| 5. | 360 | + | 121 | = |
|
| 6. | 337 | + | 124 | = |
|
| 7. | 490 | + | 375 | = |
|
| 8. | 179 | + | 160 | = |
|
| 9. | 299 | + | 136 | = |
|
| 10. | 366 | + | 323 | = |
|
| Oefening 2 | |||||
| 1. | 334 | + | 229 | = |
|
| 2. | 458 | + | 345 | = |
|
| 3. | 487 | + | 389 | = |
|
| 4. | 494 | + | 396 | = |
|
| 5. | 452 | + | 322 | = |
|
| 6. | 334 | + | 278 | = |
|
| 7. | 477 | + | 141 | = |
|
| 8. | 448 | + | 245 | = |
|
| 9. | 317 | + | 190 | = |
|
| 10. | 412 | + | 114 | = |
|
| Oefening 3 | |||||
| 1. | 388 | + | 170 | = |
|
| 2. | 420 | + | 341 | = |
|
| 3. | 342 | + | 276 | = |
|
| 4. | 476 | + | 236 | = |
|
| 5. | 463 | + | 150 | = |
|
| 6. | 454 | + | 343 | = |
|
| 7. | 258 | + | 179 | = |
|
| 8. | 354 | + | 279 | = |
|
| 9. | 144 | + | 106 | = |
|
| 10. | 152 | + | 127 | = |
|
| Oefening 4 | |||||
| 1. | 397 | + | 361 | = |
|
| 2. | 287 | + | 168 | = |
|
| 3. | 410 | + | 162 | = |
|
| 4. | 417 | + | 316 | = |
|
| 5. | 245 | + | 137 | = |
|
| 6. | 396 | + | 259 | = |
|
| 7. | 452 | + | 368 | = |
|
| 8. | 263 | + | 135 | = |
|
| 9. | 386 | + | 102 | = |
|
| 10. | 473 | + | 136 | = |
|