Erbijsommen t/m 1.000
Optellen
| 1. | 426 + 396 = |
825
|
822
|
502
|
725
|
| 2. | 435 + 194 = |
891
|
629
|
553
|
927
|
| 3. | 416 + 111 = |
931
|
561
|
846
|
527
|
| 4. | 416 + 307 = |
724
|
687
|
970
|
723
|
| 5. | 430 + 202 = |
915
|
618
|
632
|
517
|
| 6. | 139 + 115 = |
386
|
346
|
254
|
335
|
| 7. | 356 + 179 = |
661
|
968
|
535
|
747
|
| 8. | 362 + 107 = |
469
|
428
|
398
|
433
|
| 9. | 360 + 233 = |
763
|
593
|
556
|
947
|
| 10. | 498 + 431 = |
929
|
750
|
807
|
862
|
| 11. | 440 + 226 = |
856
|
521
|
839
|
666
|
| 12. | 338 + 265 = |
876
|
849
|
767
|
603
|