Erbijsommen t/m 1.000
Optellen
| 1. | 466 + 384 = |
711
|
850
|
837
|
636
|
| 2. | 500 + 182 = |
594
|
937
|
682
|
511
|
| 3. | 207 + 161 = |
368
|
272
|
220
|
342
|
| 4. | 300 + 212 = |
512
|
547
|
921
|
661
|
| 5. | 374 + 130 = |
511
|
854
|
504
|
784
|
| 6. | 343 + 146 = |
489
|
403
|
225
|
380
|
| 7. | 493 + 378 = |
871
|
502
|
870
|
901
|
| 8. | 328 + 262 = |
590
|
847
|
542
|
655
|
| 9. | 244 + 127 = |
371
|
445
|
423
|
496
|
| 10. | 384 + 258 = |
642
|
533
|
810
|
945
|
| 11. | 395 + 374 = |
844
|
527
|
769
|
768
|
| 12. | 371 + 140 = |
862
|
511
|
928
|
684
|