Erbijsommen t/m 1.000
Optellen
| 1. | 270 + 260 = |
530
|
590
|
795
|
831
|
| 2. | 359 + 115 = |
492
|
237
|
474
|
345
|
| 3. | 464 + 296 = |
994
|
760
|
551
|
731
|
| 4. | 186 + 177 = |
291
|
285
|
337
|
363
|
| 5. | 347 + 246 = |
890
|
788
|
593
|
689
|
| 6. | 274 + 228 = |
502
|
656
|
540
|
902
|
| 7. | 312 + 135 = |
483
|
447
|
244
|
494
|
| 8. | 401 + 219 = |
664
|
620
|
537
|
572
|
| 9. | 459 + 223 = |
707
|
780
|
516
|
682
|
| 10. | 406 + 277 = |
560
|
521
|
584
|
683
|
| 11. | 156 + 116 = |
214
|
221
|
210
|
272
|
| 12. | 360 + 272 = |
665
|
937
|
579
|
632
|