Erbijsommen t/m 1.000
Optellen
| 1. | 403 + 156 = |
596
|
612
|
559
|
710
|
| 2. | 255 + 207 = |
463
|
462
|
384
|
370
|
| 3. | 455 + 407 = |
624
|
862
|
866
|
586
|
| 4. | 132 + 113 = |
239
|
474
|
245
|
465
|
| 5. | 496 + 108 = |
876
|
913
|
604
|
726
|
| 6. | 442 + 101 = |
928
|
543
|
647
|
555
|
| 7. | 421 + 223 = |
776
|
947
|
644
|
756
|
| 8. | 408 + 233 = |
590
|
641
|
588
|
889
|
| 9. | 323 + 200 = |
523
|
885
|
792
|
995
|
| 10. | 288 + 107 = |
206
|
299
|
425
|
395
|
| 11. | 333 + 202 = |
884
|
588
|
535
|
735
|
| 12. | 411 + 375 = |
724
|
923
|
935
|
786
|