Erbijsommen t/m 1.000
Optellen
| 1. | 396 + 367 = |
763
|
905
|
974
|
742
|
| 2. | 374 + 332 = |
545
|
903
|
517
|
706
|
| 3. | 448 + 324 = |
680
|
512
|
772
|
990
|
| 4. | 326 + 307 = |
545
|
861
|
581
|
633
|
| 5. | 464 + 166 = |
824
|
512
|
630
|
873
|
| 6. | 380 + 284 = |
664
|
648
|
913
|
680
|
| 7. | 317 + 311 = |
574
|
628
|
765
|
632
|
| 8. | 467 + 258 = |
725
|
968
|
711
|
972
|
| 9. | 366 + 214 = |
869
|
738
|
680
|
580
|
| 10. | 419 + 323 = |
952
|
742
|
984
|
514
|
| 11. | 478 + 194 = |
664
|
532
|
910
|
672
|
| 12. | 253 + 187 = |
446
|
402
|
428
|
440
|