Erbijsommen t/m 1.000
Optellen
| 1. | 287 + 204 = |
273
|
491
|
362
|
448
|
| 2. | 181 + 181 = |
500
|
333
|
238
|
362
|
| 3. | 175 + 165 = |
342
|
432
|
307
|
340
|
| 4. | 483 + 424 = |
784
|
603
|
907
|
876
|
| 5. | 478 + 248 = |
726
|
911
|
558
|
548
|
| 6. | 364 + 253 = |
617
|
595
|
558
|
599
|
| 7. | 463 + 452 = |
915
|
596
|
585
|
959
|
| 8. | 468 + 324 = |
792
|
560
|
605
|
913
|
| 9. | 394 + 337 = |
671
|
731
|
633
|
882
|
| 10. | 359 + 242 = |
963
|
816
|
746
|
601
|
| 11. | 336 + 167 = |
900
|
911
|
503
|
560
|
| 12. | 248 + 185 = |
433
|
211
|
253
|
353
|