Erbijsommen t/m 1.000
Optellen
| 1. | 428 + 166 = |
594
|
751
|
725
|
559
|
| 2. | 344 + 234 = |
544
|
580
|
578
|
786
|
| 3. | 471 + 260 = |
731
|
521
|
867
|
826
|
| 4. | 370 + 288 = |
929
|
658
|
744
|
970
|
| 5. | 455 + 421 = |
876
|
519
|
589
|
687
|
| 6. | 475 + 337 = |
595
|
633
|
812
|
690
|
| 7. | 452 + 355 = |
879
|
807
|
839
|
793
|
| 8. | 470 + 189 = |
659
|
940
|
878
|
901
|
| 9. | 344 + 307 = |
646
|
543
|
651
|
739
|
| 10. | 250 + 179 = |
243
|
429
|
331
|
392
|
| 11. | 320 + 177 = |
342
|
486
|
243
|
497
|
| 12. | 169 + 128 = |
415
|
206
|
430
|
297
|