Erbijsommen t/m 1.000
Optellen
| 1. | 423 + 308 = |
523
|
713
|
972
|
731
|
| 2. | 456 + 249 = |
957
|
982
|
705
|
769
|
| 3. | 455 + 183 = |
541
|
872
|
638
|
530
|
| 4. | 425 + 218 = |
635
|
643
|
766
|
564
|
| 5. | 421 + 192 = |
988
|
676
|
613
|
566
|
| 6. | 367 + 311 = |
678
|
548
|
949
|
605
|
| 7. | 386 + 378 = |
696
|
629
|
764
|
941
|
| 8. | 346 + 300 = |
745
|
880
|
500
|
646
|
| 9. | 369 + 320 = |
772
|
689
|
943
|
698
|
| 10. | 385 + 366 = |
751
|
699
|
638
|
958
|
| 11. | 381 + 293 = |
611
|
674
|
898
|
915
|
| 12. | 409 + 188 = |
535
|
597
|
898
|
590
|