Erbijsommen t/m 1.000
Optellen
| 1. | 472 + 123 = |
900
|
595
|
669
|
692
|
| 2. | 348 + 293 = |
600
|
556
|
641
|
919
|
| 3. | 438 + 227 = |
570
|
628
|
785
|
665
|
| 4. | 294 + 261 = |
837
|
555
|
884
|
726
|
| 5. | 365 + 304 = |
669
|
808
|
643
|
948
|
| 6. | 479 + 224 = |
864
|
794
|
783
|
703
|
| 7. | 299 + 279 = |
893
|
578
|
674
|
843
|
| 8. | 271 + 138 = |
409
|
401
|
270
|
231
|
| 9. | 500 + 135 = |
635
|
998
|
726
|
792
|
| 10. | 360 + 229 = |
589
|
591
|
606
|
835
|
| 11. | 360 + 306 = |
741
|
962
|
720
|
666
|
| 12. | 413 + 171 = |
584
|
993
|
898
|
613
|