Erbijsommen t/m 1.000
Optellen
| 1. | 475 + 212 = |
835
|
651
|
687
|
977
|
| 2. | 497 + 241 = |
997
|
767
|
681
|
738
|
| 3. | 212 + 174 = |
405
|
358
|
300
|
386
|
| 4. | 474 + 422 = |
896
|
827
|
926
|
983
|
| 5. | 487 + 302 = |
667
|
789
|
656
|
588
|
| 6. | 422 + 398 = |
620
|
613
|
820
|
769
|
| 7. | 324 + 159 = |
326
|
261
|
483
|
332
|
| 8. | 302 + 236 = |
538
|
708
|
517
|
712
|
| 9. | 422 + 281 = |
715
|
703
|
729
|
849
|
| 10. | 424 + 298 = |
891
|
932
|
608
|
722
|
| 11. | 424 + 156 = |
580
|
563
|
917
|
886
|
| 12. | 496 + 383 = |
814
|
879
|
639
|
787
|