Erbijsommen t/m 1.000
Optellen
| 1. | 353 + 175 = |
671
|
528
|
795
|
982
|
| 2. | 369 + 147 = |
612
|
601
|
723
|
516
|
| 3. | 363 + 301 = |
664
|
618
|
558
|
923
|
| 4. | 397 + 177 = |
893
|
574
|
945
|
741
|
| 5. | 492 + 299 = |
651
|
716
|
791
|
934
|
| 6. | 444 + 252 = |
890
|
579
|
553
|
696
|
| 7. | 435 + 418 = |
626
|
593
|
639
|
853
|
| 8. | 408 + 137 = |
616
|
825
|
545
|
915
|
| 9. | 461 + 341 = |
538
|
802
|
632
|
864
|
| 10. | 264 + 181 = |
473
|
445
|
242
|
205
|
| 11. | 491 + 304 = |
945
|
752
|
795
|
834
|
| 12. | 431 + 348 = |
682
|
779
|
797
|
717
|