Erbijsommen t/m 1.000
Optellen
| 1. | 343 + 273 = |
571
|
616
|
825
|
578
|
| 2. | 410 + 128 = |
923
|
538
|
829
|
795
|
| 3. | 500 + 356 = |
856
|
838
|
600
|
975
|
| 4. | 384 + 254 = |
638
|
759
|
707
|
752
|
| 5. | 453 + 453 = |
625
|
720
|
906
|
869
|
| 6. | 450 + 385 = |
835
|
641
|
592
|
515
|
| 7. | 424 + 393 = |
559
|
817
|
797
|
745
|
| 8. | 497 + 169 = |
540
|
666
|
805
|
867
|
| 9. | 191 + 104 = |
377
|
295
|
357
|
269
|
| 10. | 354 + 230 = |
572
|
720
|
584
|
889
|
| 11. | 212 + 187 = |
399
|
329
|
240
|
324
|
| 12. | 297 + 216 = |
812
|
907
|
917
|
513
|