Erbijsommen t/m 1.000
Optellen
| 1. | 321 + 237 = |
994
|
518
|
557
|
558
|
| 2. | 449 + 218 = |
890
|
667
|
542
|
972
|
| 3. | 246 + 144 = |
454
|
239
|
218
|
390
|
| 4. | 300 + 134 = |
429
|
493
|
272
|
434
|
| 5. | 309 + 299 = |
507
|
787
|
608
|
599
|
| 6. | 380 + 322 = |
702
|
624
|
546
|
757
|
| 7. | 490 + 186 = |
908
|
556
|
938
|
676
|
| 8. | 431 + 233 = |
813
|
664
|
508
|
565
|
| 9. | 211 + 163 = |
392
|
465
|
460
|
374
|
| 10. | 405 + 301 = |
706
|
588
|
556
|
925
|
| 11. | 457 + 197 = |
755
|
666
|
654
|
663
|
| 12. | 421 + 336 = |
810
|
757
|
673
|
525
|