Erbijsommen t/m 1.000
Optellen
| 1. | 331 + 259 = |
649
|
850
|
590
|
585
|
| 2. | 325 + 213 = |
528
|
538
|
701
|
601
|
| 3. | 416 + 308 = |
724
|
725
|
864
|
838
|
| 4. | 208 + 187 = |
200
|
395
|
424
|
465
|
| 5. | 400 + 123 = |
793
|
829
|
523
|
652
|
| 6. | 468 + 306 = |
778
|
998
|
774
|
503
|
| 7. | 326 + 231 = |
606
|
883
|
761
|
557
|
| 8. | 383 + 340 = |
879
|
825
|
723
|
591
|
| 9. | 337 + 123 = |
316
|
405
|
460
|
274
|
| 10. | 343 + 224 = |
820
|
961
|
567
|
807
|
| 11. | 474 + 164 = |
779
|
774
|
638
|
518
|
| 12. | 480 + 193 = |
699
|
773
|
950
|
673
|