Erbijsommen t/m 1.000
Optellen
| 1. | 293 + 239 = |
532
|
586
|
793
|
911
|
| 2. | 461 + 354 = |
885
|
608
|
571
|
815
|
| 3. | 300 + 225 = |
525
|
681
|
661
|
830
|
| 4. | 144 + 114 = |
281
|
255
|
258
|
388
|
| 5. | 307 + 150 = |
364
|
478
|
457
|
431
|
| 6. | 281 + 178 = |
471
|
339
|
459
|
499
|
| 7. | 438 + 342 = |
780
|
808
|
690
|
699
|
| 8. | 450 + 140 = |
840
|
590
|
656
|
511
|
| 9. | 353 + 189 = |
704
|
542
|
732
|
702
|
| 10. | 378 + 203 = |
808
|
581
|
702
|
849
|
| 11. | 374 + 313 = |
831
|
635
|
718
|
687
|
| 12. | 216 + 160 = |
255
|
244
|
376
|
454
|