Erbijsommen t/m 1.000
Optellen
| 1. | 352 + 275 = |
694
|
577
|
770
|
627
|
| 2. | 354 + 286 = |
555
|
685
|
640
|
657
|
| 3. | 463 + 192 = |
815
|
897
|
978
|
655
|
| 4. | 221 + 138 = |
283
|
429
|
294
|
359
|
| 5. | 472 + 228 = |
700
|
759
|
901
|
615
|
| 6. | 492 + 350 = |
509
|
842
|
576
|
982
|
| 7. | 293 + 177 = |
300
|
304
|
470
|
307
|
| 8. | 332 + 264 = |
917
|
771
|
582
|
596
|
| 9. | 360 + 186 = |
546
|
899
|
533
|
520
|
| 10. | 444 + 377 = |
851
|
821
|
579
|
726
|
| 11. | 467 + 115 = |
724
|
982
|
582
|
732
|
| 12. | 490 + 118 = |
780
|
608
|
730
|
892
|