Erbijsommen t/m 1.000
Optellen
| 1. | 450 + 332 = |
628
|
782
|
978
|
825
|
| 2. | 494 + 258 = |
546
|
752
|
501
|
620
|
| 3. | 423 + 104 = |
527
|
635
|
678
|
879
|
| 4. | 443 + 304 = |
654
|
650
|
799
|
747
|
| 5. | 425 + 152 = |
565
|
769
|
581
|
577
|
| 6. | 406 + 396 = |
900
|
603
|
802
|
815
|
| 7. | 217 + 114 = |
331
|
200
|
462
|
217
|
| 8. | 302 + 156 = |
343
|
458
|
265
|
411
|
| 9. | 200 + 187 = |
387
|
477
|
488
|
315
|
| 10. | 135 + 127 = |
262
|
405
|
481
|
302
|
| 11. | 460 + 436 = |
659
|
824
|
684
|
896
|
| 12. | 363 + 219 = |
641
|
717
|
582
|
702
|