Erbijsommen t/m 1.000
Optellen
| 1. | 449 + 329 = |
820
|
778
|
663
|
917
|
| 2. | 409 + 199 = |
848
|
743
|
796
|
608
|
| 3. | 413 + 395 = |
957
|
808
|
508
|
552
|
| 4. | 328 + 207 = |
535
|
936
|
523
|
623
|
| 5. | 466 + 423 = |
889
|
761
|
714
|
854
|
| 6. | 291 + 219 = |
722
|
599
|
635
|
510
|
| 7. | 353 + 150 = |
827
|
912
|
503
|
652
|
| 8. | 476 + 167 = |
575
|
624
|
848
|
643
|
| 9. | 475 + 169 = |
878
|
644
|
948
|
638
|
| 10. | 294 + 135 = |
444
|
317
|
429
|
420
|
| 11. | 499 + 327 = |
823
|
826
|
619
|
932
|
| 12. | 407 + 393 = |
911
|
800
|
804
|
980
|