Erbijsommen t/m 1.000
Optellen
| 1. | 314 + 149 = |
291
|
272
|
463
|
213
|
| 2. | 199 + 158 = |
320
|
242
|
357
|
266
|
| 3. | 450 + 354 = |
680
|
843
|
804
|
852
|
| 4. | 242 + 187 = |
445
|
201
|
381
|
429
|
| 5. | 446 + 350 = |
796
|
580
|
609
|
551
|
| 6. | 268 + 209 = |
286
|
257
|
477
|
447
|
| 7. | 491 + 485 = |
885
|
598
|
976
|
926
|
| 8. | 460 + 170 = |
630
|
928
|
775
|
685
|
| 9. | 495 + 330 = |
770
|
502
|
825
|
721
|
| 10. | 473 + 161 = |
634
|
863
|
836
|
767
|
| 11. | 343 + 145 = |
372
|
385
|
488
|
392
|
| 12. | 458 + 377 = |
561
|
933
|
922
|
835
|