Erbijsommen t/m 1.000
Optellen
| 1. | 459 + 452 = |
971
|
911
|
533
|
677
|
| 2. | 274 + 158 = |
237
|
253
|
432
|
389
|
| 3. | 459 + 112 = |
915
|
637
|
571
|
553
|
| 4. | 294 + 165 = |
277
|
367
|
459
|
497
|
| 5. | 467 + 217 = |
844
|
904
|
684
|
991
|
| 6. | 282 + 134 = |
416
|
215
|
338
|
328
|
| 7. | 402 + 294 = |
606
|
696
|
733
|
629
|
| 8. | 219 + 209 = |
428
|
286
|
243
|
390
|
| 9. | 184 + 114 = |
348
|
422
|
379
|
298
|
| 10. | 490 + 397 = |
786
|
887
|
836
|
998
|
| 11. | 305 + 196 = |
907
|
757
|
501
|
792
|
| 12. | 332 + 323 = |
655
|
645
|
701
|
511
|