Erbijsommen t/m 1.000
Optellen
| 1. | 396 + 185 = |
581
|
938
|
535
|
856
|
| 2. | 390 + 291 = |
681
|
815
|
635
|
743
|
| 3. | 431 + 227 = |
945
|
542
|
658
|
735
|
| 4. | 403 + 174 = |
915
|
818
|
901
|
577
|
| 5. | 411 + 221 = |
595
|
873
|
687
|
632
|
| 6. | 340 + 258 = |
988
|
976
|
963
|
598
|
| 7. | 286 + 103 = |
248
|
389
|
473
|
208
|
| 8. | 195 + 136 = |
428
|
343
|
374
|
331
|
| 9. | 434 + 353 = |
950
|
893
|
845
|
787
|
| 10. | 475 + 238 = |
713
|
890
|
892
|
938
|
| 11. | 474 + 349 = |
847
|
823
|
636
|
813
|
| 12. | 383 + 146 = |
538
|
712
|
987
|
529
|