Erbijsommen t/m 1.000
Optellen
| 1. | 451 + 107 = |
835
|
821
|
558
|
518
|
| 2. | 388 + 316 = |
704
|
581
|
734
|
782
|
| 3. | 412 + 131 = |
658
|
543
|
953
|
665
|
| 4. | 304 + 264 = |
701
|
775
|
568
|
933
|
| 5. | 281 + 273 = |
976
|
699
|
554
|
609
|
| 6. | 253 + 152 = |
480
|
405
|
353
|
270
|
| 7. | 294 + 261 = |
833
|
642
|
570
|
555
|
| 8. | 340 + 289 = |
597
|
533
|
629
|
667
|
| 9. | 258 + 118 = |
460
|
292
|
371
|
376
|
| 10. | 350 + 338 = |
740
|
688
|
844
|
668
|
| 11. | 236 + 127 = |
341
|
406
|
407
|
363
|
| 12. | 403 + 218 = |
798
|
621
|
568
|
500
|