Erbijsommen t/m 1.000
Optellen
| 1. | 327 + 172 = |
288
|
499
|
251
|
381
|
| 2. | 439 + 335 = |
867
|
619
|
774
|
511
|
| 3. | 403 + 100 = |
570
|
503
|
952
|
792
|
| 4. | 315 + 304 = |
619
|
595
|
942
|
756
|
| 5. | 348 + 253 = |
807
|
711
|
606
|
601
|
| 6. | 386 + 228 = |
614
|
534
|
968
|
926
|
| 7. | 161 + 134 = |
295
|
364
|
493
|
466
|
| 8. | 444 + 197 = |
641
|
708
|
599
|
705
|
| 9. | 406 + 286 = |
692
|
982
|
910
|
756
|
| 10. | 422 + 150 = |
568
|
666
|
680
|
572
|
| 11. | 472 + 253 = |
575
|
924
|
725
|
598
|
| 12. | 167 + 164 = |
314
|
331
|
243
|
250
|