Erbijsommen t/m 1.000
Optellen
| 1. | 470 + 363 = |
841
|
774
|
868
|
833
|
| 2. | 283 + 280 = |
949
|
563
|
518
|
909
|
| 3. | 465 + 311 = |
763
|
776
|
702
|
959
|
| 4. | 379 + 376 = |
755
|
752
|
997
|
886
|
| 5. | 378 + 288 = |
781
|
898
|
666
|
978
|
| 6. | 225 + 123 = |
348
|
305
|
215
|
288
|
| 7. | 469 + 462 = |
850
|
931
|
688
|
856
|
| 8. | 389 + 151 = |
516
|
597
|
540
|
500
|
| 9. | 489 + 377 = |
555
|
649
|
866
|
500
|
| 10. | 480 + 441 = |
805
|
921
|
817
|
540
|
| 11. | 453 + 406 = |
859
|
556
|
640
|
517
|
| 12. | 250 + 157 = |
403
|
407
|
230
|
375
|