Erbijsommen t/m 1.000
Optellen
| 1. | 467 + 106 = |
575
|
573
|
818
|
990
|
| 2. | 458 + 404 = |
989
|
819
|
862
|
594
|
| 3. | 438 + 115 = |
906
|
723
|
553
|
506
|
| 4. | 362 + 349 = |
844
|
711
|
535
|
655
|
| 5. | 390 + 330 = |
720
|
929
|
850
|
937
|
| 6. | 441 + 155 = |
539
|
640
|
684
|
596
|
| 7. | 310 + 253 = |
731
|
855
|
563
|
898
|
| 8. | 370 + 272 = |
917
|
642
|
766
|
985
|
| 9. | 182 + 139 = |
345
|
284
|
290
|
321
|
| 10. | 277 + 184 = |
499
|
256
|
461
|
253
|
| 11. | 394 + 122 = |
672
|
684
|
613
|
516
|
| 12. | 300 + 282 = |
620
|
623
|
582
|
903
|