Erbijsommen t/m 1.000
Optellen
| 1. | 339 + 102 = |
259
|
435
|
387
|
441
|
| 2. | 358 + 348 = |
706
|
935
|
854
|
598
|
| 3. | 381 + 329 = |
614
|
710
|
712
|
767
|
| 4. | 294 + 130 = |
264
|
488
|
365
|
424
|
| 5. | 406 + 133 = |
638
|
539
|
978
|
627
|
| 6. | 363 + 164 = |
517
|
527
|
973
|
979
|
| 7. | 273 + 273 = |
546
|
848
|
847
|
981
|
| 8. | 500 + 444 = |
944
|
778
|
563
|
946
|
| 9. | 231 + 130 = |
217
|
305
|
361
|
244
|
| 10. | 433 + 412 = |
837
|
845
|
865
|
743
|
| 11. | 279 + 132 = |
202
|
494
|
411
|
289
|
| 12. | 328 + 103 = |
309
|
213
|
431
|
215
|