Erbijsommen t/m 1.000
Optellen
| 1. | 485 + 239 = |
724
|
863
|
721
|
781
|
| 2. | 241 + 237 = |
208
|
290
|
414
|
478
|
| 3. | 410 + 201 = |
915
|
608
|
726
|
611
|
| 4. | 367 + 123 = |
429
|
213
|
201
|
490
|
| 5. | 400 + 276 = |
676
|
952
|
849
|
579
|
| 6. | 290 + 242 = |
775
|
562
|
699
|
532
|
| 7. | 496 + 276 = |
820
|
772
|
924
|
776
|
| 8. | 427 + 293 = |
510
|
861
|
664
|
720
|
| 9. | 478 + 202 = |
680
|
932
|
667
|
553
|
| 10. | 324 + 215 = |
721
|
980
|
539
|
611
|
| 11. | 354 + 256 = |
878
|
998
|
610
|
540
|
| 12. | 295 + 193 = |
467
|
488
|
230
|
219
|