Erbijsommen t/m 1.000
Optellen
| 1. | 431 + 227 = |
658
|
983
|
993
|
987
|
| 2. | 243 + 151 = |
394
|
335
|
212
|
312
|
| 3. | 280 + 258 = |
726
|
854
|
538
|
713
|
| 4. | 434 + 214 = |
817
|
966
|
648
|
651
|
| 5. | 454 + 249 = |
611
|
703
|
542
|
895
|
| 6. | 494 + 369 = |
600
|
863
|
911
|
518
|
| 7. | 496 + 341 = |
630
|
837
|
556
|
748
|
| 8. | 451 + 322 = |
773
|
703
|
704
|
744
|
| 9. | 381 + 273 = |
595
|
899
|
654
|
548
|
| 10. | 386 + 111 = |
238
|
497
|
471
|
362
|
| 11. | 252 + 110 = |
439
|
362
|
268
|
431
|
| 12. | 497 + 300 = |
797
|
966
|
974
|
737
|