Erbijsommen t/m 1.000
Optellen
| 1. | 357 + 314 = |
645
|
671
|
759
|
983
|
| 2. | 184 + 152 = |
336
|
219
|
284
|
210
|
| 3. | 491 + 476 = |
939
|
967
|
782
|
552
|
| 4. | 391 + 333 = |
969
|
848
|
939
|
724
|
| 5. | 311 + 148 = |
389
|
413
|
459
|
352
|
| 6. | 264 + 121 = |
216
|
301
|
201
|
385
|
| 7. | 386 + 369 = |
577
|
575
|
755
|
880
|
| 8. | 393 + 280 = |
938
|
943
|
673
|
922
|
| 9. | 446 + 314 = |
690
|
681
|
621
|
760
|
| 10. | 357 + 289 = |
804
|
807
|
507
|
646
|
| 11. | 450 + 356 = |
989
|
895
|
510
|
806
|
| 12. | 179 + 158 = |
425
|
258
|
311
|
337
|