Erbijsommen t/m 1.000
Optellen
| 1. | 463 + 108 = |
571
|
861
|
724
|
650
|
| 2. | 241 + 180 = |
498
|
421
|
351
|
427
|
| 3. | 457 + 185 = |
590
|
642
|
929
|
878
|
| 4. | 459 + 294 = |
693
|
953
|
594
|
753
|
| 5. | 438 + 234 = |
505
|
672
|
950
|
819
|
| 6. | 352 + 159 = |
850
|
511
|
528
|
867
|
| 7. | 151 + 133 = |
451
|
250
|
284
|
260
|
| 8. | 438 + 326 = |
689
|
683
|
764
|
600
|
| 9. | 343 + 285 = |
799
|
628
|
544
|
888
|
| 10. | 499 + 438 = |
583
|
937
|
538
|
601
|
| 11. | 462 + 362 = |
824
|
530
|
930
|
815
|
| 12. | 481 + 317 = |
798
|
957
|
738
|
506
|