Erbijsommen t/m 1.000
Optellen
| 1. | 487 + 112 = |
570
|
794
|
933
|
599
|
| 2. | 379 + 313 = |
689
|
525
|
692
|
589
|
| 3. | 239 + 225 = |
464
|
331
|
247
|
364
|
| 4. | 324 + 105 = |
253
|
256
|
429
|
331
|
| 5. | 481 + 429 = |
897
|
910
|
583
|
768
|
| 6. | 446 + 444 = |
906
|
763
|
890
|
981
|
| 7. | 440 + 172 = |
612
|
590
|
683
|
826
|
| 8. | 354 + 250 = |
658
|
647
|
510
|
604
|
| 9. | 489 + 437 = |
926
|
512
|
506
|
631
|
| 10. | 294 + 294 = |
935
|
588
|
860
|
885
|
| 11. | 391 + 375 = |
766
|
806
|
848
|
961
|
| 12. | 427 + 325 = |
752
|
527
|
541
|
998
|