Erbijsommen t/m 1.000
Optellen
| 1. | 471 + 438 = |
909
|
649
|
530
|
686
|
| 2. | 353 + 258 = |
611
|
605
|
533
|
671
|
| 3. | 417 + 380 = |
617
|
797
|
756
|
586
|
| 4. | 479 + 385 = |
864
|
540
|
946
|
764
|
| 5. | 447 + 429 = |
876
|
842
|
969
|
632
|
| 6. | 330 + 241 = |
972
|
917
|
759
|
571
|
| 7. | 432 + 384 = |
901
|
927
|
707
|
816
|
| 8. | 268 + 221 = |
245
|
355
|
264
|
489
|
| 9. | 294 + 174 = |
361
|
357
|
449
|
468
|
| 10. | 329 + 176 = |
555
|
808
|
505
|
785
|
| 11. | 316 + 151 = |
482
|
467
|
320
|
212
|
| 12. | 416 + 299 = |
590
|
910
|
872
|
715
|