Erbijsommen t/m 1.000
Optellen
| 1. | 409 + 373 = |
782
|
879
|
766
|
813
|
| 2. | 456 + 300 = |
738
|
912
|
756
|
730
|
| 3. | 341 + 176 = |
517
|
864
|
943
|
536
|
| 4. | 375 + 220 = |
552
|
804
|
595
|
766
|
| 5. | 380 + 303 = |
683
|
802
|
951
|
648
|
| 6. | 362 + 295 = |
512
|
721
|
657
|
711
|
| 7. | 235 + 123 = |
358
|
345
|
258
|
432
|
| 8. | 434 + 409 = |
843
|
635
|
926
|
904
|
| 9. | 158 + 138 = |
433
|
284
|
493
|
296
|
| 10. | 387 + 200 = |
587
|
944
|
789
|
602
|
| 11. | 212 + 152 = |
378
|
467
|
289
|
364
|
| 12. | 328 + 214 = |
926
|
511
|
556
|
542
|