Erbijsommen t/m 1.000
Optellen
| 1. | 376 + 235 = |
908
|
935
|
607
|
611
|
| 2. | 377 + 342 = |
719
|
951
|
982
|
990
|
| 3. | 319 + 215 = |
506
|
534
|
833
|
997
|
| 4. | 322 + 306 = |
628
|
674
|
980
|
541
|
| 5. | 424 + 277 = |
627
|
739
|
701
|
979
|
| 6. | 228 + 178 = |
306
|
350
|
334
|
406
|
| 7. | 130 + 122 = |
281
|
433
|
463
|
252
|
| 8. | 430 + 375 = |
805
|
562
|
630
|
528
|
| 9. | 426 + 210 = |
551
|
636
|
627
|
767
|
| 10. | 347 + 173 = |
666
|
696
|
780
|
520
|
| 11. | 251 + 162 = |
413
|
428
|
460
|
312
|
| 12. | 431 + 308 = |
889
|
633
|
739
|
699
|